WASHINGTON -- House Speaker Paul Ryan, the nation's top elected Republican, effectively abandoned Donald Trump on Monday, telling anxious fellow lawmakers he will not campaign for or defend the floundering businessman in the election's closing weeks.
Pro-Trump members rebelled in anger, accusing Ryan of conceding the election to Hillary Clinton.
Indeed, Ryan said he would devote his energy to ensuring Clinton doesn't get a "blank check" as president with a Democratic-controlled Congress, according to people on his private conference call with GOP House members.
While the Wisconsin Republican did not formally rescind his own tepid endorsement of Trump, he told lawmakers they were free to do that and fight for their own re-election.
Trump fired back on Twitter, saying Ryan "should spend more time on balancing the budget, jobs and illegal immigration and not waste his time on fighting Republican nominee."
Trump retained the backing of the Republican National Committee, which has overseen crucial field efforts for the candidate in battleground states.
On a conference call with RNC members, chairman Reince Priebus said the party remains in full coordination with Trump.
"Everything is on course," Priebus said, according to a participant in the call.
Still, Ryan's announcement underscored the predicament Republicans find themselves in one month from Election Day.
Recent revelations of Trump's predatory sexual comments about women deepened the worries among GOP officials who fear he'll drag down their electoral prospects in November.
But others look at Trump's loyal bands of supporters and see no way for Republicans in other races to win without their support.
Trump made no reference to Ryan and the GOP defections at a Pennsylvania rally, except perhaps one line that could apply to fleeing Republicans as well as the Democrats.
"The last 72 hours has framed what this election is all about. It's about the American people fighting back against corrupt politicians who don't care about anything except for staying in power," he said.
Running mate Mike Pence said he was staying with Trump.
"I'm honored to be standing with him," Pence said.
Trump's candidacy long ago laid bare the turmoil roiling the GOP.
Some party leaders had hoped to push off a reckoning until after the election, but with Ryan and other lawmakers distancing themselves from Trump -- and in some cases even calling for the real-estate mogul to drop out of the race -- that appears impossible.
For Ryan, the most pressing goal through the next four weeks is preventing Republicans from losing control of the House, a scenario that seemed remote a week ago.
Although Republicans are not panicking yet, given their wide 246-186 seat majority, Ryan and Greg Walden, chairman of the National Republican Congressional Committee, acknowledged on Monday's conference call the majority was more in peril in light of Trump's problems.
Walden told lawmakers they still could win their seats, but it would require delicate maneuvering akin to landing an airplane in a hurricane in a fog, several participants said.
On the other side of the Capitol, there were also signs more Republican Senate candidates were moving to distance themselves from Trump.
Two Republicans said they expected to see ads urging voters to back GOP Senate candidates as a check on Clinton's power in the White House.
Senate Majority Leader Mitch McConnell refused to even acknowledge Trump, telling business leaders in his home state of Kentucky if they expected to hear him discuss the presidential race, they "might as well go ahead and leave."
Clinton's campaign hammered Republicans for recoiling from Trump at this late date and urged voters to hold GOP candidates accountable for standing by their nominee for months.
"Donald Trump didn't become the nominee of his party on his own," said Jennifer Palmieri, Clinton's communications director.
Seeking to pad her lead in battleground states, Clinton was making a direct appeal for moderate Republican voters turned off by Trump.
The Clinton campaign released new ads featuring Republican voters crossing party lines to cast their ballots for the former secretary of state.
"I don't always agree with her, but she's reasonable and she's smart," Republican Jennifer Kohn says in one spot.
Trump supporters are furious at the notion Republican leaders are abandoning the nominee selected by their party.
In the conference call with Ryan, California Rep. Dana Rohrabacher called GOP leaders "cowards," according to one participant, who like others, insisted on anonymity to describe the private discussions.
Corey Stewart, chairman of Trump's Virginia campaign, said Ryan and other party elite didn't understand "the grass roots took control of this party when we nominated Donald Trump."
Stewart said he was leading a group of Republicans to protest outside party headquarters near the Capitol on Monday afternoon.
Stewart was fired after the protest, which drew dozens of angry Trump supporters to the front step of the Republican National Committee headquarters.
Said deputy campaign manager Dave Bossie: "Corey made this decision when he staged a stunt in front of the RNC without the knowledge or the approval of the Trump campaign."
Trump had hoped to stop the exodus of Republicans running away from his campaign with a solid performance in Sunday's presidential debate.
He energized his core supporters by hurling insults at Clinton -- he called her the "devil" and promised to put her in jail if he's president -- but he appeared to do little to win over new voters.
He insisted his aggressively vulgar remarks on the videotape were mere "locker-room" talk and tried to turn the attention to Bill Clinton's extramarital affairs.
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