campaign

Supporters of Afghan presidential candid...Supporters of Afghan presidential candidate Ashraf Ghani Ahmadzai listen to his campaign address during a political rally in the northern Afghan city of Mazar-i-Sharif on March 31, 2014. Afghans will go to the polls on April 5 to choose a new President.

Farshad Usyan/AFP

Supporters of Afghan presidential candidate Ashraf Ghani Ahmadzai listen to his campaign address during a political rally in the northern Afghan city of Mazar-i-Sharif on Monday. Afghans will go to the polls on April 5 to choose a new President. Read more

A supporter of Afghan presidential candidate Zalmai Rassoul carries chairs as he prepares for an election rally in Panshir, northern Afghanistan, March 28, 2014. Afghan presidential elections will be held on April 5.

Zohra Bensemra/Reuters

A supporter of Afghan presidential candidate Zalmai Rassoul carries chairs as he prepares for an election rally in Panshir, northern Afghanistan. Afghan presidential elections will be held on April 5.

Pakistani health workers mark the thumb of a child after giving him polio vaccine drops to a child during a polio vaccination campaign in Rawalpindi, Pakistan, on February 25, 2014. Pakistani health workers go door-to-door to administer vaccinations to children for various diseases including polio, tuberculosis, tetanus, whooping cough, measles and hepatitis.Dr. Elias Durry, coordinating the World Health Organizations support to Pakistans polio eradication effort, said recorded 70 cases of polio last year and vaccinated 34 million children.

Metin Aktas/Anadolu Agency/Getty Images

Pakistani health workers mark the thumb of a child after giving him vaccine during a polio vaccination campaign in Rawalpindi, Pakistan. Pakistani health workers go door to door to administer vaccinations to children for diseases including polio, tuberculosis, tetanus, whooping cough, measles and hepatitis.

Supporters of the Christian Democratic Union (CDU) hold placards with the nickname of German Chancellor and CDU leader Angela Merkel at an election campaign event of the CDU  in Fulda, Germany, on Thursday, Sept. 19, 2013. Merkel, the leader of the conservative Christian Democratic Union party and top candidate of her party will be challenged by Social Democratic Party (SPD) top candidate Peer Steinbrueck at Germany's general elections on Sept. 22, 2013

Jens Meyer/AP

Supporters of Angela Merkel show their support for the German chancellor at an election campaign event for the Christian Democratic Union in Fulda, Germany, on Thursday Read more

ered voters. (AP Photo/Rebecca Blackwell)A girl walks past campaign posters on the windows of a mud brick house in Gao, Mali Thursday, July 25, 2013. Mali's presidential election is going ahead on Sunday despite massive logistical and technical lapses, including a voter roll which inexplicably does not contain the names of tens of thousands of regist

Rebecca Blackwell/AP

A girl walks past campaign posters on the windows of a mud brick house in Gao, Mali, on Thursday. Mali’s presidential election is going ahead on Sunday despite logistical and technical lapses, including a voter roll that does not contain the names of tens of thousands of registered voters. Read more

President Barack Obama, accompanied by Democratic Massachusetts Senate candidate, Rep. Ed Markey, right, talk with patrons at Charlie's Sandwich Shoppe in Boston, Wednesday, June 12, 2013. Obama traveled to Boston to campaign for Markey in his campaign.

Evan Vucci/AP

President Barack Obama, accompanied by Democratic Massachusetts Senate candidate, Rep. Ed Markey, right, talk with patrons at Charlie’s Sandwich Shoppe in Boston on Wednesday. Obama traveled to Boston to campaign for Markey in his campaign.

ranian presidential candidate Saeed Jalili campaign rally ...epa03723995 Women supporters with their children listen to the speech of Iranian presidential candidate Saeed Jalili during an election campaign rally in the city of Arak, central Iran, 30 May 2013. Iran will hold presidential elections on 14 June 2013.

Abedin Taherkenareh/EPA

Female supporters with their children listen to a speech by Saeed Jalili, the Iranian presidential candidate, during an election campaign rally in the city of Arak on Thursday. Iran is to hold its presidential elections on June 14 Read more

Miliband on the local election campaign trail

Rui Vieira/PA Wire

UK Labour party leader Ed Miliband during a hustings in Long Eaton’s high street, Nottinghamshire, while on the local election campaign trail.

Cameron on the local election campaign trail

Tim Ireland /PA

Prime Minister David Cameron speaks to workers at the Morrisons Distribution Centre in Bridgewater, Somerset, UK, as he goes on the local election campaign trail.

epa03677854 An AICC supporter with his body painted waves a party flag as All India Congress Committee (AICC) General Secretary Rahul Gandhi (unseen) campaigns for his party for the Karnataka State Assembly elections 2013, at the Mahatma Ganhi grounds, around 80 kilometers from the southern Indian city of Bangalore, India, 26 April 2013. The elections for the 14th Karnataka Assembly will be held  on 05 May 2013 in all the 224 assembly constituencies and it will be a three way contest between the ruling BJP, the AICC party and the secular Jantha Dal party.

Jagadeesh Nv/Epa

An AICC supporter with his body painted waves a party flag as All India Congress Committee (AICC) General Secretary Rahul Gandhi campaigns for his party for the Karnataka State Assembly elections 2013, Bangalore, India on Friday. The elections for the 14th Karnataka Assembly will be held on May 5th. Read more