ob/gob/g ob/gyn, santorum was a right. what premayal care has developed into is a search and destroy mission. joining me now is dr. marjorie greenfield from case medical center. i should note your hospital is one of leading neo natal care facilities in this nation. i don't want to get you locked up in a political or religious battle, but i want to talk about the science here. you have a colleague who is saying that this is a search and destroy mission. what is your response to that? >> that's really a terrible way to frame prenatal testing. it's much more than about abortion. i think when you narrow it down that's way, it's politically motivated as opposed to talking about what happens with patients. >> what are the numbers here? rick santorum says this results in most abortion whence testing