The People’s Republic of China flag and the U.S. Stars and Stripes fly along Pennsylvania Avenue near the U.S. Capitol in Washington during Chinese President Hu Jintao’s state visit, January 18, 2011. Hu arrived in the United States on Tuesday for a state visit with U.S. President Barack Obama that is aimed at strengthening ties between the world’s two biggest economies. REUTERS/Hyungwon Kang (UNITED STATES – Tags: POLITICS)