WASHINGTON - President Bush (news - web sites) said Wednesday he was "troubled" by gay weddings in San Francisco and by legal decisions in Massachusetts that could clear the way for same-sex marriage. But he declined to say whether he is any closer to backing a constitutional ban on such vows. "I have watched carefully what's happening in San Francisco, where licenses were being issued, even though the law states otherwise," Bush said. "I have consistently stated that I'll support law to protect marriage between a man and a woman. Obviously these events are influencing my decision." "I am watching...