G20 Summit (25 images)

The G20 Summit on Financial Markets and the World Economy begins at the National Building Museum in Washington on November 15, 2008. The leaders of 20 countries are in attendance. (UPI Photo/Matthew Cavanaugh/POOL)

U.S. President George W. Bush speaks to the media following the one day Summit on Financial Markets and the World Economy leaders to the National Building Museum in Washington on November 15, 2008. (UPI Photo/Ron Sachs/POOL)

President Dmitry A. Medvedev of Russia (L) and President Cristina Fernandez de Kirchner of Argentina share a laugh during a group photo with other world leaders at the Summit on Financial Markets and the World Economy at the National Building Museum in Washington on November 15, 2008. (UPI Photo/Ron Sachs/POOL)

King Abdullah bin Abd al-Aziz Al Saud of Saudi Arabia participates in the G20 Summit on Financial Markets and the World Economy at the National Building Museum in Washington on November 15, 2008. (UPI Photo/Ron Sachs/POOL)