We all need a good laugh now and then, especially at the expense of a big-shot politician who opens his or her mouth and removes all doubt about their inherent idiocy, their lovable lunacy, or their daffy demeanor that again and again makes them a late-night-TV punchline. And when it comes to goofy gaffes and dimwitted declarations, nobody does it better than America's most beloved uncle figure, smilin' Joe Biden. Biden at his verbally vapid...