Aidan Delgado can be painfully earnest, about everything from serving in Iraq to choosing a pizzeria, but even his serious stories end with a pause, as if to check himself, and then a joke at his own expense. The more he talks, the more he laughs. He laughs about being a 23-year-old war veteran who still hears his mother's voice when he watches too much television. He laughs about the liberal parody that is New College of Florida, where he knows at least two students who've taken vows of silence. And he laughs about the political conservatives who compare him...