If Prime Minister Manmohan Singh impressed the Indian media with his cool and measured replies, US President Barack Obama, the host of the 47-nation Nuclear Security Summit, alienated a section of the international media with his reportedly brusque remarks. “I’m going to ask that we take a few moments to allow the press to exit before our first session,” Obama told reporters for foreign news outlets who were admitted for the first time to the White House press pool to cover the opening session of the summit.