Who says lawmakers can’t have fun during the grueling work week? Rep. Mark Takano, an openly gay Democratic congressman representing Riverside, Calif., was spotted at JR’s Bar & Grill Monday night, which happened to be “Showtunes Night.” JR’s is a well-known gay bar on 17th Street in the Dupont Circle neighborhood of Washington. The congressman did not sing. He was not holding a drink, though he was seen buying one for a 20-something guy. He stood around until 12:45 a.m. and then bolted.