It’s not unusual for monologists to open with the line “Thank you for being here.” In “Acid Test: The Many Incarnations of Ram Dass,” Warren David Keith starts off by saying “Thank you for being here ... now.” It’s an apt introduction to Lynne Kaufman’s humorous, gently affecting one-man show about the former Richard Alpert, who dropped acid with Timothy Leary, changed his name to Ram Dass and wrote the 1971 book “Be Here Now.” Read More