Terrence McNally’s Frankie and Johnny in the Clair de Lune begins with noisy sex in the dark, then the lights come up on the actors getting out of bed naked. It’s always been a delicate scene to stage, and the current New York revival is the first Broadway production of any kind to use a professional intimacy coordinator. Laura Collins-Hughes talks with her — Claire Warden — and stars Audra McDonald and Michael Shannon about how they make it work. – The New York Times