Activist crisis in China is Gary Locke's human rights moment

U.S. Treasury Secretary Timothy Geithner, second from left, U.S. Secretary of State Hillary Rodham Clinton, fourth from left, and U.S. Ambassador to China Gary Locke, second from right, arrive at the Great Hall of the People for a meeting with Chinese President Hu Jintao, unseen, in Beijing Friday, May 4, 2012. Geithner told Hu on Friday that China's moves toward a more market-oriented exchange rate are "very promising" and said economic relations are improving despite occasional tensions. (AP Photo/Jason Lee, Pool)