Anthony Rapp, who is known for originating the role of filmmaker Mark Cohen in Jonathan Larson's Pulitzer Prize-winning musical Rent, is back on the New York stage. He is starring in in Without You, a solo musical adapted from his memoir of the same name. In an interview for The Broadway Show, Rapp sat down with Tamsen Fadal to talk about telling his story in the production, which is playing at New World Sta…