U.S. NavyThe U.S.S. San Francisco rides againJust as cranks who warn us we're playing with our lives for living in the natural disaster Mecca that is California predicted, San Francisco yesterday sank beneath the waves of the Pacific and headed for the bottom of the ocean. But that's okay. San Francisco is a submarine. The U.S.S. San Francisco -- and we'll leave it to you to make your own jokes about the Navy's decision to name a submarine after the nation's most gay-friendly city -- steamed out