In so doing, Mr. Trump is plunging personally into his first major legislative fight, getting behind a bill that has been denounced by many health care providers and scorned by his base on the right. If it fails, Mr. Trump will find it difficult not to shoulder some of the blame.
The risks for Mr. Trump are high. His initial foray into the debate was a declaration that nobody should lose insurance coverage with a replacement bill — a standard that is likely to be impossible to meet. When House Republicans finally unveiled the legislation Monday night, he declared on Twitter, “Our wonderful new Healthcare Bill is now out for review and negotiation” — hardly a hard line.