Houston's Annise Parker, a gay mayor in a red state, ponders political future

HOUSTON -- Annise Parker keeps a leather-bound journal on the desk in her wood-paneled office in City Hall. If it had a title, she says, it would be: "Would This Have Happened to Another Mayor?" Its pages are filled with her cursive script of the stories she could tell about being the first openly gay mayor of a major American metropolis.