"He's the biggest celebrity in the world." As a political insult, it would seem to be on the order of charging, "Damn, my opponent is good-looking!" Yet since John McCain's infamous Barack Obama/Paris Hilton/Britney Spears ad, his campaign has hammered on the celebrity tag, to the chagrin of Democrats and editorialists who have condemned it for taking the low road.
Except: "He's the biggest celebrity in the world" is more or less the message of the Obama campaign too. Obama, after all, is the one giving his convention speech in Denver on Aug. 28 in a 76,000-seat stadium, a venue that...