Japanese Prime Minister Shinzo Abe, right, shakes hands with U.S. President Barack Obama prior to their talks at the Akasaka State Guest House in Tokyo, Thursday, April 24, 2014. Facing fresh questions about his commitment to Asia, Obama will seek to convince Japan's leaders Thursday that he can deliver on his security and economic pledges, even as the crisis in Ukraine demands U.S. attention and resources elsewhere. (AP Photo/Toru Yamanaka, Pool)