Protecting the Affordable Care Act helped Democrats win the House majority last year, and several freshmen owe their seats, in part, to Republicans’ ill-fated effort to gut the law.
The administration says it won't defend the Affordable Care Act because it's unconstitutional. The Obama administration made a similar argument when it declined to defend the Defense of Marriage Act.
Democrats see a potential political opening in Trump’s renewal of attempts to kill Obamacare and to enact broad cuts to health-care spending and other popular programs.
Mick Mulvaney this week helped convince President Trump to get behind a legal effort aimed at striking down the Affordable Care Act over the objections of some in the administration and Republican leadership on Capitol Hill.