McCain: Accepting election results is 'American way'
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Sen. John McCainJohn Sidney McCainMan acquitted over tweet offering 0 to killing an ICE agent Lessons of the Kamala Harris campaign Overnight Defense: Trump clashes with Macron at NATO summit | House impeachment report says Trump abused power | Top Dem scolds military leaders on Trump intervention in war crimes cases MORE (R-Ariz.) on Thursday slammed Donald TrumpDonald John TrumpLawmakers prep ahead of impeachment hearing Democrats gear up for high-stakes Judiciary hearing Warren says she made almost M from legal work over past three decades MORE for saying he may not accept the outcome of the presidential election. 

"I don’t know who’s going to win the presidential election. I do know that in every previous election, the loser congratulates the winner and calls them 'my president,' " McCain, the 2008 GOP presidential nominee, said in a statement.
"That’s not just the Republican way or the Democratic way. It’s the American way," he said, adding that Americans should "respect the decision of the majority even when we disagree with it. Especially when we disagree with it." 
McCain didn't mention Trump by name in the statement. But it comes one day after the 2016 GOP nominee refused to say during the third presidential debate that he would accept the results of the election. 
"I will look at it at the time. I'm not looking at anything now," Trump said at the Las Vegas debate.
With Democratic Hillary ClintonHillary Diane Rodham ClintonWill the Horowitz report split the baby? Gabbard commemorates John Lennon's passing by singing 'Imagine' Bannon: Clinton waiting to enter 2020 race and 'save the Democratic Party from Michael Bloomberg' MORE leading in most national polls, Trump is doubling down on his allegations of widespread voter fraud ahead of the Nov. 8 election, which he says will be "rigged" against him.
McCain rejected Trump's argument Thursday, stressing while there have been "irregularities" or fraud, they've never impacted the outcome of an election. 
"I did so without reluctance. A concession isn’t just an exercise in graciousness," he said. 
"It is an act of respect for the will of the American people, a respect that is every American leader’s first responsibility. ... This election must not be any different." 
Trump's rhetoric has drawn backlash from some of his supporters, who argue he is going too far, but many are standing by Trump.
Sen. Jeff SessionsJefferson (Jeff) Beauregard SessionsThe shifting impeachment positions of Jonathan Turley Rosenstein, Sessions discussed firing Comey in late 2016 or early 2017: FBI notes Justice Dept releases another round of summaries from Mueller probe MORE (R-Ala.) — Trump's first Senate supporter — separately said that "there is an attempt to rig the presidential election" because the media is unfairly biased toward Clinton. 
Democrats have pounded on Trump's remarks, arguing Republicans who refuse to denounce their party's nominee are backing "dangerous attacks" on democracy. 
"It is still shocking that these candidates stood, and even still stand, with a man who questions the legitimacy of our elections and the very foundation of our democracy," said Sadie Weiner, the communications for the Democratic Senatorial Campaign Committee. 
"Their silence in the wake of his claims of a rigged election are both irresponsible and unacceptable.” 
- Updated at 12:59 p.m.