NEW YORK -- On "Emily Owens, M.D.," Mamie Gummer plays a med school graduate just starting out as an intern.No longer will Emily be the nerdy schoolgirl plagued by nervous perspiration, exclusion from the cool crowd and awkwardness with boys! She has reached a long-awaited turning point: adulthood. At least, that's what she tells herself.Except her new life as a doctor feels uncomfortably like her former life. Denver Memorial Hospital ...