Christopher Caswell: "Listen to My Heart" took the audience into his confidence as he opened up about his personal life: friends, loves, children and, of course, show business. His show had the intimacy of being in Caswell's living room in the guise of the Laurie Beechman Theatre, just off the theater district. Lean, youthful and handsome, Caswell"who admits to being sixty-plus"opened with a stroll through the au…
