of obamacare back to federal court. >> over half of of 65 is holdin their breath waiting for a decision in the fifth circuit. >> health care law is in front of three u.s. fifth circuit court of appealss in new orleans. a coalition of democratic led states backed by the house of representativeses are challenging a lower court's ruling to strike the entire law down. at the center of the debate is the affordable care act's individual mandate that requires all-americans to purchase health insurance or pay a penalty. a texas judge deemed the mandate up constitutional. if uphead, tens of millions of americans would lose their health care, protections for people with pre-existing conditions would be eliminated as for coverage for young adults who stayed on their parents plans. president trump vowed to replace obamacare with a less expensive plan. mitch mcconnell says he's not in support of repealing the law but if struck down, the senate would find a way to protect people with pre-existing conditions. >> if that were to go away, we would act quickly to restore it. >> ahead of the hearing, democratic lawmakers held a press anth rely on the affordable care act. >> every family in america is