It's Tallulah, Dahling, through Harper on Broadway, by Michael Kuchwara
Tallulah Bankhead always knew how to make an entrance. And so does Valerie Harper, who plays the flamboyant actress in <cite>Looped</cite>, a fictional recreation of one of Bankhead's less celebrated moments—the re-recording of some botched dialogue from her last film, a campy 1965 horror fest called <cite>Die! Die! My Darling!</cite> Out of this real-life misadventure, playwright Matthew Lombardo has fashioned…