pressure is on for the republican senators who will make or break the new health care bill. watching closely from virginia, mom samantha mcgovern. her daughter, josephine, was born at just 24 weeks. that's considered a pre-existing condition. her mostly health care costs $27,000. samantha's worried what happens if insurance stops covering that bill. >> i want them to find a way to cover me and put it in the bill. don't leave it up to chance. don't leave it up to states. don't roll the dice and take the risk and take the gamble on my child's life. >> reporter: the bill does require states provide access to adequate and affordable health insurance, but those terms are not defined or guaranteed. states could allow insurers to charge some people with pre-existing conditions more. >> i'm going to take the money that we would have spent on obamacare in washington and send it back home and let us do a better job with it. >> reporter: but with far less money. by one new estimate, $160 billion less. tonight, the opposition from medical groups, patient advocates and insurers is piling up.