The pressure is on Barack Obama - and it is starting to show. The famously-cool President lost his temper in Connecticut today after hecklers interrupted a speech he was giving at a rally. Astonished attendees watched as Mr Obama interrupted his own speech as the hecklers - believed to be activists seeking more global Aids funding - began chanting at him. 'Excuse me, excuse me,' he said repeatedly, trying to speak over the hecklers. . . snip Fighting to regain the momentum of the rally, he held his hands up saying: 'Everybody - we're alright. 'Come on guys,' he said....