SAN FRANCISCO — About 2,000 people rallied and marched Wednesday to urge President Bush's ouster from office. Organizers insisted this "The World Can't Wait: Drive Out the Bush Regime" event was only the beginning of a national, ongoing movement that won't rest until the president leaves office. Similar rallies occurred in cities across the nation Wednesday, the anniversary of Bush's re-election. Though the majority of San Francisco protesters were peaceful, there were a few incidents. Someone threw a crude firebomb against a wall of the San Francisco Chronicle building at Fifth and Mission streets, causing no damage or injuries but...