U.S. News

U.S. President Barack Obama and Japan's Empress Michiko attend a welcome ceremony at the Imperial Palace 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/Shizuo Kambayashi, Pool)

Obama warns Russia that more sanctions are 'teed up' but admits they may not stop Putin

TOKYO - Accusing Russia of failing to live up to its commitments, President Barack Obama warned Moscow on Thursday that the United States has another round of economic sanctions "teed up" — even as he acknowledged those penalties may do little to influence Vladimir Putin's handling of the crisis in Ukraine. Obama's frank pessimism underscored the limits of Washington's ability to prevent Russia f…