The past is always present for Janet Klein. A devotee of early 20th century popular culture, Janet sings old hits on her ukulele and performs with her band "Janet Klein & Her Parlor Boys." Last year, they hosted a weekly show called "Janet Klein & Her Borscht Belt Babies," directed by Amit Itelmann, at the Steve Allen Theater. The show recreated a vaudeville show, featuring a variety of performances involving animal acts, speakers, singers and......