(CNN) The President has vowed to make the Republican Party the "party of health care."

But the disagreements that embroiled the GOP just two years ago and dashed its seven-year promise to repeal and replace the Affordable Care Act, still threaten that goal.

Just a day after Trump descended on Capitol Hill with a grandiose appeal to dive back into the contentious health care fight, aides and members who lived a year-long stall out were scratching their heads, grappling with what another run at health care would even look like in the era of a Democratic-controlled House and what it could cost them in the next election.

"I almost can't imagine a more tactically unwise move than the President's announcement last night that he intends to make the Republican Party, the party of health care," said Sen. Chris Coons, a Democrat from Delaware.

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