San Francisco latest U.S. city to brace for protests

By Dan WhitcombSAN FRANCISCO (Reuters) - San Francisco braced on Friday for a weekend of protests, including a rally by an Oregon-based group that local leaders labeled "white supremacist" as the city's mayor urged residents to boycott the event.The demonstrations planned for Friday, Saturday and Sunday across the Bay Area raised concern among San Francisco police and elected officials two weeks after right-wing activists, including neo-Nazis and the Ku Klux Klan, fought with anti-racism protest