Prime Minister

France's outgoing Prime minister Jean-Ma...France's outgoing Prime minister Jean-Marc Ayrault (R) waves as he leaves the Hotel Matignon after the take over ceremony, on April 1, 2014 at in Paris. France's new Prime Minister Manuel Valls faced a delicate balancing act as he set about forming a new government tasked with reviving the economy and reining in public financesAFP PHOTO / LIONEL BONAVENTURELIONEL BONAVENTURE/AFP/Getty Images

Lionel Bonaventure/AFP

France’s departing prime minister, Jean-Marc Ayrault, leaves the Hôtel Matignon after a handover ceremony in Paris. He has been replaced by Manuel Valls, who poses a potential threat to President François Hollande, whose popularity remains low. Read more

CHINA - Tags: POLITICS TPX IMAGES OF THE DAY)

Kim Kyung-Hoon/Reuters

A flag covers the face of an honour guard during a welcoming ceremony for the visiting Mongolian prime minister Norovyn Altankhuyag, outside the Great Hall of the People in Beijing, China Read more

The opposition party submits a petition to the United Nations...epa03921900 Supporters of the opposition Cambodia National Rescue Party (CNRP), hold up their hands during a protest in Phnom Penh, Cambodia, 24 October 2013. The CNRP rejected the official results of the fifth national assembly elections, which declared Prime Minister Hun Sen's ruling Cambodian People's Party as winner, and called for a mass demonstration on 23 to 25 October 2013 in order to submit a petition to the United Nations.  EPA/MAK REMISSA

Mak Remissa/EPA

Supporters of the opposition Cambodia National Rescue party (CNRP) at a protest in Phnom Penh. The party rejected the official results of the fifth national assembly elections, which declared Prime Minister Hun Sen’s ruling Cambodian People’s party as winner, and called for mass demonstrations to support a petition to the United Nations.

A worker carries a bench while preparing the Senate chamber on Parliament Hill in Ottawa October 10, 2013. Canada's Prime Minister Stephen Harper will outline his government's agenda in the Speech from the Throne on October 16.

Chris Wattie/Reuters

Workers prepare the Senate chamber on Parliament Hill in Ottawa, on Thursday, ahead of Canada’s prime minister, Stephen Harper, delivering the Speech from the Throne on October 16, which will outline his government’s agenda

Leader of the Conservative Party and Prime Minister, David Cameron, delivers his keynote speech to close the conference in Manchester.

Charlie Bibby/FT

Conservative leader and prime minister, David Cameron, delivers his keynote speech to close the party’s annual conference in Manchester on Wednesday.

Britain's Prime Minister Cameron leaves 10 Downing Street in London...Britain's Prime Minister David Cameron leaves Number 10 Downing Street to attend parliament in London August 29, 2013. Britain's parliament has been recalled to vote on how to respond to Syria's suspected use of chemical weapons. REUTERS/Suzanne Plunkett (BRITAIN - Tags: POLITICS CONFLICT)

Suzanne Plunkett/Reuters

David Cameron, UK prime minister, leaves Number 10 Downing Street to attend parliament in London on Thursday. Britain’s parliament has been recalled to vote on how to respond to Syria’s suspected use of chemical weapons Read more

Britain's Prime Minister David Cameron welcomes Germany's Chancellor Angela Merkel to the Lough Erne golf resort where the G8 summit is taking place in Enniskillen...Britain's Prime Minister David Cameron welcomes Germany's Chancellor Angela Merkel to the Lough Erne golf resort where the G8 summit is taking place in Enniskillen, Northern Ireland June 17, 2013.

Yves Herman/Reuters

UK Prime Minister David Cameron welcomes German Chancellor Angela Merkel to the Lough Erne golf resort where the G8 summit is taking place in Enniskillen, Northern Ireland.

A protester sleeps at a bus stop sprayed with graffiti at Taksim Square in Istanbul...A protester sleeps at a bus stop sprayed with graffiti at Taksim Square in Istanbul June 4, 2013. Pockets of protesters clashed with Turkish riot police overnight and a union federation began a two-day strike on Tuesday as anti-government demonstrations in which two people have died stretched into a fifth day. Hundreds of police and protesters have been injured since Friday, when a demonstration to halt construction in a park in an Istanbul square grew into mass protests against a heavy-handed police crackdown and what opponents call Prime Minister Tayyip Erdogan's authoritarian policies.  REUTERS/Stoyan Nenov (TURKEY - Tags: CIVIL UNREST POLITICS)

Stoyan Nenov/Reuters

A protester sleeps at a bus stop sprayed with graffiti at Taksim Square in Istanbul on Tuesday. Pockets of protesters clashed with Turkish riot police overnight and a union federation began a two-day strike on Tuesday as anti-government demonstrations in which two people have died stretched into a fifth day. Hundreds of police and protesters have been injured since Friday, when a demonstration to halt construction in a park in an Istanbul square grew into mass protests against a heavy-handed police crackdown and what opponents call Prime Minister Tayyip Erdogan’s authoritarian policies Read more

Barack Obama, David Cameron...President Barack Obama and British Prime Minister David Cameron walk off the stage after their joint news conference,  Monday, May 13, 2013, in the East Room of the White House in Washington, where they talked about various topics including Syria's civil war. (AP Photo/Jacquelyn Martin)

Jacquelyn Martin/AP

US President Barack Obama and British Prime Minister David Cameron walk off the stage after their joint news conference on Monday in the East Room of the White House in Washington, where they talked about various topics including Syria’s civil war. Read more

A man takes a rest next to a wall covered with riped pre-election posters of Boyko Borisov, the leader of the Bulgarian conservative GERB party and a former Prime Minister in a Sofia suburb on May 13, 2013. Bulgaria faced fresh political uncertainty Monday after tough guy ex-premier Boyko Borisov fell way short of a majority in elections held three months after mass demonstrations forced his government's resignation.

Dimitar Dilkoff/AFP

A man takes a rest next to a wall covered with ripped pre-election posters of Boyko Borisov, the leader of the Bulgarian conservative GERB party and a former prime minister, in a Sofia suburb. Bulgaria faced fresh political uncertainty on Monday after tough guy ex-premier Mr Borisov fell way short of a majority in elections held three months after mass demonstrations forced his government’s resignation.