TOKYO -- Consciously or not, Japan has entered a new foreign-policy era forced on it by a shifting global landscape.
President Barack Obama has declared that "America is not the world's policeman" and carried out U.S. foreign policy accordingly. American military leaders have offered since last fall a number of proposals for deploying warships and fighter jets to check Chinese island-building activity in the South China Sea, but the White House has categorically rejected them, a Defense Department strategist said.
