'Tim Oliver, an expert in trans-Atlantic relations at the London School of Economics, says Obama is in a no-win situation.
"He would be criticized if he didn't say something, and he is criticized for saying something," Oliver said.
Obama is not the only American offering his opinion. Eight former U.S. Treasury chiefs said Wednesday in a letter to the Times of London that Brexit could diminish Britain's influence and threaten London's "global primacy" as a financial center.
Oliver said many American politicians, policymakers and diplomats regarded the EU referendum as "a bit of an unwanted headache" and believed a Brexit would weaken Britain on the world stage.
"From the U.S. perspective, this doesn't serve anyone's interest," he said. "It doesn't make sense for the U.S. It doesn't make sense for NATO. It doesn't make sense for the European Union. It doesn't even make sense for the U.K. So who does this benefit?"'
Full piece here: http://www.nytimes.com/aponline/2016/04/21/world/europe/ap-eu-britain-eu-obama.html?ref=aponline&_r=2