City Pages: T. Boone Pickens looks tired. Standing in the sunken pit of a packed lecture hall at Houston’s Rice University, he’s hawking his Pickens Plan for energy independence from foreign oil by using more wind power and natural gas. The 80-year-old, with flesh-colored hearing aids set deep inside his ears and tanned bags drooping under his eyes, looks confused and momentarily loses track of what he’s saying. He pauses, takes his gold Rolex off, slumps down on a stool, and announces in his …