President Barack Obama stands at his seat before the start of the morning plenary session at the G-20 summit in Pittsburgh, Friday, Sept. 25, 2009.
Treasury Secretary Timothy Geithner, right, talks with White House Chief of Staff Rahm Emanuel at the start of the morning plenary session at the G-20 summit in Pittsburgh, Friday, Sept. 25, 2009.
President Barack Obama speaks with Russian President Dmitry Medvedev, before the start of the morning plenary session at the G-20 summit in Pittsburgh, Friday, Sept. 25, 2009.
President Barack Obama meets with British Prime Minister Gordon brown at the G-20 summit in Pittsburgh, Friday, Sept. 25, 2009.
President Barack Obama, followed by British Prime Minister Gordon Brown, center, and French President Nicolas Sarkozy, arrive to make a statement on Iran's nuclear facility, Friday, Sept. 25, 2009, during the G-20 summit in Pittsburgh.
French President Nicolas Sarkozy, flanked by President Barack Obama, and British Prime Minister Gordon Brown, makes a statement on Iran's nuclear facility, Friday, Sept. 25, 2009,during the G-20 Summit in Pittsburgh.
President Barack Obama, center, British Prime Minister Gordon Brown, right and French President Nicolas Sarkozy leave the stage after making a joint statement on Iran's nuclear facility, Friday, Sept. 25, 2009, during the G-20 summit in Pittsburgh.
Germany Chancellor Angela Merkel, left, talks with Russia's President Dmitry Medvedev, at a meeting on the sideline of the G-20 summit in Pittsburgh, Friday, Sept. 25, 2009.
Canadian Prime Minister Stephen Harper holds a joint news conference with South Korean President Lee Myung-bak at the G-20 summit in Pittsburgh, Friday, Sept. 25, 2009.
President Barack Obama and G-20 summit leaders pose for a group photo in Pittsburgh, Friday, Sept. 25, 2009.
G-20 leaders pose for a photograph at the summit on Sept. 25, 2009. From left to right: Indonesia's President Susilo Bambang Yudhoyono; German Chancellor Angela Merkel; Brazil's President Luiz Inacio Lula da Silva; British Prime Minister Gordon Brown; President Barack Obama; Turkey's Prime Minister Recep Tayyip Erdogan; China's President Hu Jintao; Indian Prime Minister Manmohan Singh; Mexico's President Felipe Calderon.
German Chancellor Angela Merkel and British Prime Minister Gordon Brown chat during a group photo session with G-20 leaders during the G-20 Summit, Friday, Sept. 25, 2009, in Pittsburgh.
France's President Nicolas Sarkozy, center, stands with Indonesia's President Susilo Bambang Yudhoyono, right, and South Korea's President Lee Myung-bak during a group photo session at the G-20 summit hosted by President Barack Obama in Pittsburgh, Friday, Sept. 25, 2009.
President Barack Obama and Chinese President Hu Jintao, center, shake hands during a group photo session at the G-20 summit in Pittsburgh, Friday, Sept. 25, 2009.