President Barack Obama is saluted by Royal Canadian Mounted Police as he arrives in Ottawa, Canada, Thursday, Feb. 19, 2009.
President Barack Obama meets with Canadian Prime Minister Stephen Harper on Parliament Hill in Ottawa, Canada, Thursday, Feb. 19, 2009.
President Barack Obama stops by a market and buys a souvenir key chain Thursday, Feb. 19, 2009, in Ottawa, Canada.
President Barack Obama and first lady Michelle Obama walk down the steps from Air Force One at London's Stansted Airport, ahead of the G20 Summit in London. Mr. Obama arrived in Europe with a hefty economic and political agenda for his first journey across the Atlantic since taking office in January.
Britain's Prime Minister Gordon Brown, second left, and his wife, Sarah, left, greet U.S. President Barack Obama and his wife, Michelle, outside 10 Downing Street in London, Wednesday April 1, 2009. World leaders gathered in London for the G20 Summit amid an unprecedented security operation to protect the meeting from violent protests and terrorists.
President Barack Obama and his wife Michelle, pose with Britain's Queen Elizabeth II and Prince Philip, during an audience at Buckingham Palace in London, Wednesday, April 1, 2009.
U.S. President Barack Obama and his wife, first lady Michelle Obama, walk hand in hand as they leave Downing Street, London, after a G20 dinner, Wednesday April 1, 2009.
President Barack Obama laughs during a press conference at the end of the G20 Summit at the ExCel centre in London, Thursday, April 2, 2009.
President Barack Obama and first lady Michelle Obama pose with French President Nicolas Sarkozy and France's first lady Carla Bruni, during a welcoming ceremony in Strasbourg, France, Friday, April 3, 2009. Presidents Obama and Sarkozy were scheduled to attend a NATO Summit marking the 60th anniversary of the organization.
President Barack Obama looks to take a question during a town hall style meeting at Rhenus Sports Arena in Strasbourg, France, Friday, April 3, 2009.
President Barack Obama, his wife first lady Michelle Obama and German Chancellor Angela Merkel walk in the marketplace in Baden-Baden, Germany, Friday, April 3, 2009. Obama met with Merkel on the occasion of the 60th anniversary NATO summit that took place in Strasbourg, France, and in Baden-Baden and Kehl, Germany.
President Barack Obama, left, and his wife First Lady Michelle Obama applaud during a piano concert at an event on the sidelines of a NATO summit at the Kurhaus in Baden-Baden, Germany on Friday April 3, 2009. Leaders of the 26 NATO nations met together for a historical two-day summit in which they welcomed new members Albania and Croatia and celebrated 60 years since the creation of the Alliance.
President Barack Obama addresses the general assembly at the Turkish Parliament building in Ankara, Turkey, Monday, April 6, 2009.
President Barack Obama, left, walks during a welcome ceremony with his Turkish counterpart Abdullah Gul, right, at the Cankaya presidential palace in Ankara, Turkey, Monday, April 6, 2009. Obama paid tribute to the memory of modern Turkey's founding father as he reached out for help to wind down the war in Iraq and bring stability to the Middle East.
President Barack Obama meets with Iraq's President Jalal Talabani in Baghdad, Iraq, Tuesday, April 7, 2009
President Barack Obama greets military personnel at Camp Victory in Baghdad, Iraq, Tuesday, April 7, 2009.
President Barack Obama, left, toasts with Mexican President Felipe Calderon and his wife, Margarita Zavala, prior to a state dinner at the National Museum of Anthropology in Mexico City, Thursday April, 16, 2009. President Obama made an official visit to Mexico prior to heading towards the Caribbean for the Summit of the Americas.
President Barack Obama gestures as he delivers a speech during a reception and dinner at the Museo Nacional de Antropologia in Mexico City Thursday, April 16, 2009.
Trinidad & Tobago
President Barack Obama arrives for the 5th Summit of the Americas in Port of Spain, Trinidad and Tobago, Friday, April 17, 2009.
In his speech Friday, April 17, 2009, during the opening of the 5th Summit of the Americas, President Obama told other leaders, "We have at times been disengaged, and at times we sought to dictate our terms. But I pledge to you that we seek an equal partnership. There is no senior partner and junior partner in our relations."