Kshama Sawant, Seattle’s Socialist Alternative City Councilmember, was captured on video entering a February 21 fundraiser and birthday celebration for a local leader of the Democratic Party, King County Councilmember Larry Gossett. The video was posted online, but has subsequently been removed. Sawant and the organization to which she belongs have not yet sought to explain why a self-proclaimed socialist would spend an evening rubbing elbows and clinking glasses with the political elite in a major American city. Nor did Socialist Alternative announce beforehand that Sawant would be appearing at an event sponsored by the Democratic Party establishment. That’s because...