The White House on Friday dashed hopes of a breakthrough on U.S.-Japan trade when President Barack Obama and Prime Minister Shinzo Abe meet in Washington next week, further delaying a major 12-nation Pacific trade pact. “We’re not there yet,” said Caroline Atkinson, Obama’s deputy national security adviser. A deal between Japan and the United States is vital to clinching a Trans-Pacific Partnership pact, as their economies account for 80 percent of the group.