Blelvis, in his earlier days Speaking of WAMU, DCist ran into Blelvis last night, and he was telling us that he went on one of the local public radio station’s programs last Friday, for a segment timed to coincide with the 32nd anniversary of Elvis’s death. Sure enough, reporter Sam Greenspan filed a piece for Metro Connection on August 14 about his summer-long search for D.C.’s own Black Elvis, eventually catching up with him…