AdvertisementJudge Who Invalidated Obamacare Has Been A 'Go-To Judge' For Republicans, Critics SayDecember 19, 2018Ashley LopezfacebookEmailIn 2015, demonstrators in Washington, D.C., urged Supreme Court justices to save the Affordable Care Act from a legal challenge. The federal health law survived, but last week U.S. District Judge Reed O'Connor ruled it invalid. An appeal of his controversial decision is underway. (Bloomberg/Getty Images)