What happens to Obamacare after its namesake leaves the White House? The Affordable Care Act (ACA) has faced fierce opposition from congressional Republicans and many GOP-led state governments, survived unexpected legal challenges, and overcome a disastrous rollout of healthcare.gov. Through it all, ACA supporters could count on President Barack Obama to defend the law. But come January 20, 2017, that will change. If Donald Trump becomes president and Republicans maintain congressional majorities, the GOP could seek to repeal major ACA provisions, though Trump’s health care agenda is uncertain.

…