politics

TOPSHOT - US Democratic presidential candidate Bernie Sanders speaks during a rally at Santa Monica High School Football Field in Santa Monica, California, on May 23, 2016. Democratic presidential frontrunner Hillary Clinton on May 23 rejected an invitation to take part in a final campaign debate against her rival Bernie Sanders, her campaign said. / AFP PHOTO / Ringo ChiuRINGO CHIU/AFP/Getty Images

Ringo Chiu/AFP/Getty

Democratic presidential candidate Bernie Sanders speaks during a rally at Santa Monica High School Football Field in Santa Monica, California

Volunteers of the Azov Civil Corps light flares during rally at the Ukrainian Parliament, Friday, May 20, 2016, against holding local elections in the occupied eastern territories of Ukraine. As part of an internationally brokered peace agreement, Ukraine must hold local elections in two eastern regions controlled by Russian-backed rebels, but there are major concerns about ensuring the vote takes place in a secure and safe atmosphere. (AP Photo/Efrem Lukatsky)

Efrem Lukatsky/AP

Volunteers of the Azov Civil Corps light flares during rally at the Ukrainian Parliament against holding local elections in the occupied eastern territories of Ukraine. As part of an internationally brokered peace agreement, Ukraine must hold local elections in two eastern regions controlled by Russian-backed rebels, but there are major concerns about ensuring the vote takes place in a secure and safe atmosphere

Supporters of Trinamool Congress (TMC) celebrate after learning the initial poll results of the West Bengal Assembly elections, in Kolkata, India May 19, 2016. REUTERS/Rupak De Chowdhuri

Rupak De Chowdhuri/Reuters

Supporters of Trinamool Congress (TMC) celebrate after learning the initial poll results of the West Bengal Assembly elections, in Kolkata, India 

Senator Bernie Sanders, an independent from Vermont and 2016 Democratic presidential candidate, speaks during a campaign event in Carson, California, U.S., on Tuesday, May 17, 2016. Sanders won the Democratic presidential primary in Oregon Tuesday while Hillary Clinton claimed victory in a closely fought contest in Kentucky, a split decision that will do little to change the nomination race but may delay the party from focusing on the general election. Photographer: Patrick T. Fallon/Bloomberg *** Local Caption *** Bernie Sanders

Patrick T. Fallon/Bloomberg

Senator Bernie Sanders, an independent from Vermont and 2016 Democratic presidential candidate, speaks during a campaign event in Carson, California 

Brazil's President Dilma Rousseff, accompanied by Chief of Staff Jaques Wagner, looks from a window at Planalto Palace in Brasilia, Brazil, May 11, 2016.  REUTERS/Adriano Machado     TPX IMAGES OF THE DAY      - RTX2DWXU

Adriano Machado/Reuters

Brazil’s President Dilma Rousseff, accompanied by Chief of Staff Jaques Wagner, looks from a window at Planalto Palace in Brasilia, Brazil 

Presidential Candidate Hillary Clinton Holds Kentucky Campaign Rally...An attendee wears campaign buttons before the start of an event for Hillary Clinton, former Secretary of State and 2016 Democratic presidential candidate, not pictured, in Louisville, Kentucky, U.S., on Tuesday, May 10, 2016. Clinton said she sees "a great role" for Bernie Sanders and his supporters in a "unified party," even as she said she welcomed Republicans who are not supporting presumptive nominee Donald Trump. Photographer: Luke Sharrett/Bloomberg

Luke Sharrett/Bloomberg

An attendee wears campaign buttons before the start of an event for Hillary Clinton, former Secretary of State and 2016 Democratic presidential candidate, in Louisville, Kentucky 

Britain's opposition Labour Party leader Jeremy Corbyn and shadow Minister for Young People, Gloria De Piero (L) stand in front of the "Labour In For Britain" campaign bus at a launch in central London, on May 10, 2016. The referendum campaign was picking up pace again after regional and local elections last Thursday which saw Labour's Sadiq Khan elected as London's new mayor, and pro-independence nationalists returned to power in Scotland, albeit without a majority. Main opposition Labour leader Jeremy Corbyn was now being urged to get more involved in the EU referendum campaign.  / AFP PHOTO / LEON NEALLEON NEAL/AFP/Getty Images

Leon Neal/AFP

Britain’s opposition Labour Party leader Jeremy Corbyn and shadow Minister for Young People, Gloria De Piero stand in front of the “Labour In For Britain” campaign bus at a launch in central London 

Ruling AK Party and pro-Kurdish Peoples' Democratic Party (HDP) lawmakers scuffle during a debate at the Parliament in Ankara, Turkey late April 27, 2016.    REUTERS/Stringer   EDITORIAL USE ONLY. NO RESALES. NO ARCHIVE

Reuters

Ruling AK Party and pro-Kurdish Peoples’ Democratic Party (HDP) lawmakers scuffle during a debate at the Parliament in Ankara, Turkey

Carlos Barria/Reuters

Republican U.S. presidential candidate Donald Trump’s hand is seen as he reacts during a campaign event in Harrisburg, Pennsylvania

Scottish Parliament election 2016 campaign ...Audience members hold the SNP party Scottish Parliament election manifesto up during its launch at the Edinburgh International Conference Centre in Edinburgh, as the party bids for its third term in power. PRESS ASSOCIATION Photo. Picture date: Wednesday April 20, 2016. The manifesto pledged to increase NHS funding by £500 million more than inflation over the five-year course of the next parliament, with Ms Sturgeon describing this as "part of a package of investment and reform to equip the NHS for the future". See PA story POLITICS SNP. Photo credit should read: Andrew Milligan/PA Wire

Andrew Milligan/PA

Audience members hold the SNP party Scottish Parliament election manifesto up during its launch at the Edinburgh International Conference Centre in Edinburgh, as the party bids for its third term in power

Thousands of South African main oppositi...Thousands of South African main opposition party Democratic Alliance supporters march to the Constitutional Court to protest against South African President Jacob Zuma on April 15, 2016 in Johannesburg. / AFP PHOTO / MUJAHID SAFODIENMUJAHID SAFODIEN/AFP/Getty Images

Mujahid Safodien/AFP

Thousands of South African main opposition party Democratic Alliance supporters march to the Constitutional Court to protest against South African President Jacob Zuma in Johannesburg

STR/EPA

Security personnel stand guard near the venue of a Congress party election rally in Guwahati, Assam, India 

Presidential Candidate Bernie Sanders Holds Ohio Campaign Rally...Senator Bernie Sanders, an independent from Vermont and 2016 Democratic presidential candidate, speaks during a campaign rally at the Covelli Centre in Youngstown, Ohio, U.S., on Monday, March 14, 2016. In Democratic forums, Sanders and Hillary Clinton argue that deportations are ripping apart hard-working undocumented people who are merely trying to make a good life for their families, and that the president must show them mercy, even if it means stretching the limits of the law. Photographer: Ty Wright/Bloomberg *** Local Caption *** Bernie Sanders

Ty Wright/Bloomberg

Senator Bernie Sanders, an independent from Vermont and 2016 Democratic presidential candidate, speaks during a campaign rally at the Covelli Centre in Youngstown, Ohio 

Barack Obama...President Barack Obama meets with members of his economic team in the Roosevelt Room of the White House in Washington, Friday, March 4, 2016. Obama spoke about U.S. employers adding 242,000 workers in February, driving another solid month for the resilient American job market.

Pablo Martinez Monsivais/AP

President Barack Obama meets with members of his economic team in the Roosevelt Room of the White House in Washington. Obama spoke about U.S. employers adding 242,000 workers in February, driving another solid month for the resilient American job market 

Hillary Clinton...Democratic presidential candidate Hillary Clinton acknowledges the crowd as she arrives to speak at a "Get Out The Vote" campaign rally in Norfolk, S.C., Monday, Feb. 29, 2016. (AP Photo/Gerald Herbert)

Gerald Herbert/AP

Democratic presidential candidate Hillary Clinton acknowledges the crowd as she arrives to speak at a “Get Out The Vote” campaign rally in Norfolk, Virginia 

A Ugandan soldier stands guard in front of posters for opposition leader Kizza Besigye and other candidates fin the parliamentary elections

Ben Curtis/AP

A Ugandan soldier stands guard in front of posters for opposition leader Kizza Besigye and other candidates in the parliamentary elections

The red carpet is cleaned ahead of the arrival of dignitaries at the Council of the European Union on February 18, 2016 in Brussels, Belgium. Most of Europe's 28 member state leaders are gathering in Brussels to take part in a crucial summit and vote on British Prime Minister David Cameron's pledge to renegotiate the terms of Britain's membership in the EU, namely proposals to limit benefits for migrant workers. A referendum on whether Great Britain will stay in or leave the European Union is to be held before the end of 2017, though many expect it to take place in June this year.

Dan Kitwood/Getty

The red carpet is cleaned ahead of the arrival of dignitaries at the Council of the European Union in Brussels, Belgium. Most of Europe’s 28 member state leaders are gathering in Brussels to take part in a crucial summit and vote on British Prime Minister David Cameron’s pledge to renegotiate the terms of Britain’s membership in the EU

A woman sits against a wall plastered with campaign posters for opposition leader Kizza Besigye, as well as for local members of Parliament, in a poor market area of the capital Kampala, Uganda Wednesday, Feb. 17, 2016. On the eve of presidential elections, a heavy police and military presence could be seen in the capital Kampala. (AP Photo/Ben Curtis)

Ben Curtis/AP

A woman sits against a wall plastered with campaign posters for opposition leader Kizza Besigye, as well as for local members of Parliament, in Kampala, Uganda. On the eve of presidential elections, a heavy police and military presence could be seen in the capital Kampala 

Former French President Nicolas Sarkozy (C) arrives at the Pole financier (the financial section of Paris court house) in the French capital, to be heard in the investigation of false invoices in the "Bygmalion affair",  a corruption scandal centred on claims that his party paid some of his campaign expenses in 2012 to get around strict spending limits.

Thomas Samson/AFP/Getty Images

Former French President Nicolas Sarkozy (C) arrives at the Pole Financier (the financial section of Paris court house) in the French capital, to be heard in the investigation of false invoices in the “Bygmalion affair”, a corruption scandal centred on claims that his party paid some of his campaign expenses in 2012 to get around strict spending limits.

Supporters of leading opposition leader and presidential candidate Kizza Besigye cower in a shop doorway after riot police fired tear gas at them and Besigye when they attempted to walk along a street in downtown Kampala, Uganda

Ben Curtis/AP

Supporters of leading opposition leader and presidential candidate Kizza Besigye cower in a shop doorway after riot police fired tear gas at them and Besigye when they attempted to walk along a street in downtown Kampala, Uganda