Washington Mayor Muriel Bowser appeared to be celebrating at an event maskless hours before her own policy that mandates masks for citizens in the district was put into effect. One picture that was uploaded to social media shows the Democratic mayor on July 30 surrounded by a large crowd of people, none of who appear to be wearing masks, at a gathering two days prior to her 49th birthday. A second picture shows her next to award-winning-celebrity comedian Dave Chappelle along with three other people, none of whom had their faces covered. The picture was taken for Chappelle’s return to the city of Washington on July 30, where the comedy icon appeared at two notable district venues over the weekend, according to a statement by Bowser’s office. “DC is open and we are so proud to welcome home Dave Chappelle,” Bowser said. “Washingtonians have waited months to be able to …