SEASON FINALE: From the very start, this series has mirrored, and played with, the real-life history of comic Pete Holmes, starting with his wife being caught having an affair and leaving him, and with Pete struggling to find his way as a fledgling, squeaky-clean standup comic. Tonight, in the Season 2 finale called “NACA,” Pete is talked into seeking a slot at a college comedy festival, where the acts are much less mainstream – and where Pete, to even his own surprise, may hav