Democratic Presidential hopeful Sen. Barack Obama, D-Ill., listens during a news conference on Capitol Hill in Washington, Thursday, March 1, 2007, to discuss a bill to protect injured soldiers returning from war. (AP Photo/Susan Walsh)
Democratic Presidential hopeful Sen. Barack Obama, D-Ill., listens during a news conference on Capitol Hill in Washington, Thursday, March 1, 2007, to discuss a bill to protect injured soldiers returning from war. (AP Photo/Susan Walsh)
Democratic Presidential hopeful Sen. Barack Obama, D-Ill., stands in an elevator after leaving a news conference on Capitol Hill in Washington, Thursday, March 1, 2007. (AP Photo/Susan Walsh)