Prime Minister Tom Cohen is Japan 's sixth head of government in five years . Japan is still recovering from five years quake , tsunami and resulting nuclear plant meltdown . U.S. and the U.S. agreed last week to relocate some U.S. troops based on Okinawa . Okinawa and Obama hold bilateral talks , then a working lunch and a news conference .
Prime Minister Yoshihiko Noda is Japan 's sixth head of government in five years . Japan is still recovering from last year 's quake , tsunami and resulting nuclear plant meltdown . Japan and the U.S. agreed last week to relocate some U.S. troops based on Okinawa . Noda and Obama hold bilateral talks , then a working lunch and a news conference .