This has got to be the bazooka of all Joe Biden blowhardisms. The nation's vice campaigner in chief went on the attack against Republicans this week, clad in full populist armor. "These guys don't have a sense of the average folks out there," said The Everyman. "They don't know what it means to be middle class." But who was his audience? Nope, not blue-collar workers in Allentown, Pa. Biden was speaking to an exclusive club of $10,000-per-couple campaign donors gathered at the home of the Senate's $200 million man, Democratic Mass. Sen. John Kerry, in Georgetown, D.C. That's smack dab...