TUSCALOOSA, Ala. (AP) — Lunchtime approaches, and a tornado survivor tries to sleep on one of dozens of cots that fill a converted gymnasium as others mill around. A few yards away, a man irons a pair of pants atop a folding table. The portable showers are outside in the parking lot.It's been a month since tornadoes bulldozed wide swaths of the South, killing more than 300 people in seven states, yet nearly 100 Alabama survivors are still living in public shelters where the nights are fitful and the days muggy and boring.