Guardian: Until President Obama’s first ever Oval Office address-to-the-nation the other night BP’s chief executive Tony Hayward was winning the booby prize as “America’s most clueless man” for his gaffe-prone TV interviews. But Obama is gaining fast. His self-exonerating speech, full of sparkling generalities and with no hint of frank accountability for his administration’s culpability in the nation’s worst environmental disaster, was like the man himself, bloodless and emotionally detached from the …