Although the Affordable Care Act, commonly known as Obamacare, is considered the most significant and comprehensive overhaul of the American health care system since the 1960s, when Medicaid and Medicare were established, it has been the target of reform virtually since its enactment in 2010. Last year, the words “repeal and replace” became the mantra of Republican congressional leaders looking to dismantle the legislation and was a key talking point for Donald Trump while on the campaign trail.