Melissa Joskow / Media Matters The flagship evening news shows on the three broadcast networks have not aired a single substantive segment on health care policy in 2018. They have ignored Republican efforts to sabotage health care policy despite voters consistently calling health care a top issue as the midterm elections approach. The Affordable Care Act (ACA) is under assault, but you wouldn’t know that if you turned into ABC’s World News, CBS’ Evening News, and NBC’s Nightly News.