Gay and lesbian premium cable network Here! will premiere the televised version of standup comic Margaret Cho’s current concert tour, “Assassin.”Here! will tape the show May 14 at the Warner Theater in Washington, D.C., and air it in September. Last year, Cho’s concert pic “Revolution” premiered on the Sundance Channel. Before that, her film “Notorious C.H.O.” was released theatrically by Wellspring. She is currently in post-production on “Bam Bam and Celeste,” for which she is writing, producing and starring.