Alfred Hitchcock and Mart Crowley compete for laughs in Drew Droege’s kinky new murder comedy Drew Droege has updated Alfred Hitchcock’s film “Rope” by casting all the characters as Emory from Mart Crowley’s play “The Boys in the Band.” I would call this mash-up “Screaming Queer Killers,” but the playwright has gone for the less in-your-face “Messy White Gays,” which is the only thing subtle about the 80-minute comedy that opened Sunday at The Duke on 42nd Street. For those not acquainted with