April 21, 2012 4:06 pm Sam Wo Restaurant Closes Its Doors After 100 Years A classic San Francisco restaurant, known as the “home of the rudest waiter” is shutting its doors after 100 years in business. US & World Videos 2:42 Forecast: Warm day, Saturday rain 3:05 Downtown First Thursdays offers new hope to struggling SF merchants 1:02 Crews knock down 2-alarm structure fire in SF's Nob Hill 1:11 24-hour online fundraiser underway for Peninsula nonprofits 1:43 Kari's forecast: Warm day, Saturday rain