'Loveland,' at Arena Stage, is inappropriate in all the right ways
Some people juggle. Some people do celebrity imitations. Frannie Potts, the kooky heroine of the one-woman play "Loveland," has her own entertainment specialty. "I do facial gesturing to sound," she explains brightly at one point in the show, a tidily wacky meditation on grief and loss. She proceeds to demonstrate with a piece called "Car Alarm." As the familiar tones of an automobile burglar-prevention system wail i…