Trump just guaranteed health care will be a huge issue in the 2020 election

President Trump just guaranteed health care will remain a dominant issue through the 2020 presidential campaign, opening up a massive vulnerability in his reelection bid.

In a legal brief filed this week, the Trump Justice Department argued to a federal court that the entire Affordable Care Act should be found unconstitutional. That would mean an end to the private markets where 15 million Americans buy their coverage, an end to the expansion of Medicaid that covers 15 millions more, and an end to protections for people with preexisting conditions. According...