Castro travel agency Yankee Clipper Travel named SF Legacy Business Photo: Steven Bracco/Hoodline Last month, the San Francisco Small Business Commission added Castro travel agency Yankee Clipper Travel (4115 19th St.) to the city's Legacy Business Registry, which recognizes "longstanding, community-serving businesses" that have established themselves in area neighborhoods for at least three decades. Currently, there are 275 small businesses citywide on the registry. Yankee Clipper Travel is the first travel agency to be honored. "I'm really appreciative of the legacy business status because...