For more than twenty years we debated ways to protect people from preexisting conditions limitations in health insurance. We finally got those protections when the Congress passed, and the President signed (and the Supreme Court upheld), the Affordable Care Act, or Obamacare.
So, after twenty years of national public policy debate and hard-fought Congressional and Presidential approval, how does Trump conclude he can restore these protections should the Republican Supreme Court suit overturn them, with a simple executive order?