By ERICA WERNER and ALAN FRAM, Associated Press

WASHINGTON (AP) — President Donald Trump has barged into Senate Republicans' delicate health care negotiations with a suggestion bound to muddle things: If you can't cut a deal on repealing the Obama-era law, then repeal it right away and then replace it later.

Trump is trying to revive an approach that GOP leaders and the president himself considered but dismissed months ago as impractical and politically unwise.

And it's likely to further complicate Majority Leader Mitch McConnell's task as he struggles to bridge the divide between moderates and conservatives. Senators have left Washington for the Fourth of July break without voting on a bill as planned.

"If Republican Senators are unable to pass what they are working on now, they should immediately REPEAL, and then REPLACE at a later date!" Trump wrote early Friday.

Later that day, McConnell told reporters after an event in his home state of Kentucky that the health bill was challenging but "we are going to stick with that path."

He added: "It's not easy making America great again, is it?"

The president tweeted his message shortly after Sen. Ben Sasse, R-Neb., had appeared on Fox News Channel's "Fox & Friends" to discuss a letter he'd sent to Trump suggesting a vote on repealing former President Barack Obama's health law, followed by a new effort at a working out a replacement.

Trump's suggestion has the potential to harden divisions within the GOP as conservatives like Paul and Sasse complain that McConnell's bill does not go far enough in repealing Obama's health care law while moderates criticize it as overly harsh in kicking people off insurance rolls, shrinking the Medicaid safety net and increasing premiums for older Americans.

McConnell has been working to make deals with members of both factions in order to finalize a rewritten bill lawmakers can vote on when they return to the Capitol the second week of July. Even before Trump weighed in, though, it wasn't clear how far he was getting. Trump's tweet did not appear to suggest a lot of White House confidence in the outcome.

"McConnell's trying to achieve a 50-vote Venn diagram between some very competing factions," said Rodney Whitlock, a veteran health policy expert who worked as a Senate GOP aide during passage of the Democrats' Affordable Care Act.

"So what the president tweeted takes one side of that Venn diagram and pushes it further away, and actually puts on the table an option that will probably drive that group away from seeking compromise with the other side of the Venn diagram."

Even before Trump was inaugurated in January, Republicans had debated and ultimately discarded the idea of repealing the overhaul before replacing it, concluding that both must happen simultaneously. Doing otherwise would invite accusations that Republicans were simply tossing people off coverage and would roil insurance markets by raising the question of whether, when and how Congress might replace Obama's law once it was gone.

The idea also would leave unresolved the quandary lawmakers are struggling with now, about how to replace Obama's system of online insurance markets, tax subsidies and an expanded Medicaid with something that could get enough Republican votes to pass Congress. House Republicans barely passed their version of a replacement bill in May, and the task is proving even tougher in the Senate, where McConnell has almost no margin for error.

Moderates were spooked as the week began with a Congressional Budget Office finding that McConnell's draft bill would result in 22 million people losing insurance over the next decade, only 1 million fewer than under the House-passed legislation which Trump privately told senators was "mean." But conservatives continue to insist that the bill must go further than just repealing some of the mandates and taxes in Obama's law.

"It's distressing to see so many Republicans who've lied about their commitment to repeal," Ken Cuccinelli, president of the Senate Conservatives Fund, said in a conference call Friday.

Underscoring the fissures within the GOP, conservative group leaders on that call welcomed Trump's suggestion but said it didn't go far enough because it could open the door to a subsequent bipartisan compromise to replace Obama's law. At the same time, a key House Republican, Rep. Kevin Brady, chairman of the House Ways and Means Committee, rejected Trump's suggestion, contending that it "doesn't achieve what President Trump set out to do."

"I really think the Senate's approach — certainly in the House — of not simply repealing but to start to put into place the elements that can make health care affordable, that's what the president set out to do," Brady said in an interview on C-SPAN's "Newsmakers" program.

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This story has been corrected to reflect that McConnell said during an appearance in Kentucky on Friday night, "It's not easy making America great again, is it?" The quote that has been replaced in the story had used "American" instead of "America."