U.S. President Barack Obama (L) and Russian President Dmitry Medvedev walk through the North West Gate of the White House on their way to the U.S. Chamber of Congress to discuss trade issues after their meeting in Washington on June 24, 2010.    UPI/Roger L. Wollenberg

Photo by: ROGER L. WOLLENBERG

U.S. President Barack Obama (L) and Russian President Dmitry Medvedev walk through the North West Gate of the White House on their way to the U.S. Chamber of Congress to discuss trade issues after their meeting in Washington on June 24, 2010. UPI/Roger L. Wollenberg