Everyone knows about New Jersey Gov. Jon Corzine's decision to speed down a state highway sans seatbelt and the price he paid for flouting the laws he was charged with enforcing. Corzine was at least repentant, acknowledging the error of his ways. Sen. Carole MigdenNow meet California state Sen. Carole Migden, D-San Francisco. Last month, after she was chewed out for colliding with another motorist between her district and Sacramento, she declared: "You can't talk to me like that. I'm a senator." When the news first leaked out, Migden explained she'd been momentarily distracted while reaching for a cell phone....