Republicans warned seven years ago that a health care law passed only by Democrats — with no support from the other party — would struggle to survive. The party-line vote to pass Obamacare, they said, was arrogant and reckless.

Now, the GOP is in charge, and poised to run afoul of its own warnings.

As Republican lawmakers begin to dismantle President Barack Obama’s landmark health care law, awaiting the inauguration of President-elect Donald Trump, they face the prospect of overhauling the American health insurance system without any help from across the aisle. Democrats appear increasingly determined to offer Trump’s party as little help as possible.
. . .