Democrats see opening in Trump’s push to quash Obamacare

House Majority Leader Steny Hoyer, D-Md., joined at right by Speaker of the House Nancy Pelosi, D-Calif., speaks at an event to announce legislation to lower health care costs and protect people with pre-existing medical conditions, at the Capitol in Washington, Tuesday, March 26, 2019. The Democratic action comes after the Trump administration told a federal appeals court that the entire Affordable Care Act, known as "Obamacare," should be struck down as unconstitutional. (AP Photo/J. Scott Applewhite)

WASHINGTON — President Donald Trump is calling on Republicans to revive the effort to quash the Affordable Care Act, handing Democrats an opportunity to unite in defense of the law as they try to move past the Russia investigation and win the White House in 2020.