Donald Trump declared Tuesday he would boycott the last Republican debate before the Iowa caucuses, leading Texas Sen. Ted Cruz to challenge him to a one-on-one debate. Adding intrigue to the Democratic race, the White House said President Barack Obama would host Bernie Sanders for an Oval Office meeting.


The dual developments created new ripple of uncertainty six days before voting in the presidential race begins. Both parties were bracing for nail-biting caucuses that will determine which of their two leading candidates will carry the whiff of victory into New Hampshire and beyond.

Trump raised the prospect of skipping the debate as he blasted Fox News Channel for "playing games" and including anchor Megyn Kelly as a debate moderator. Trump's campaign spokesman later said he definitely will not participate.

"I said bye bye, ok?" Trump said. Cruz quickly said he would face Trump "mano a mano" anytime.

The race among Democrats was no more settled six days from the leadoff Iowa caucuses, with Sanders and Hillary Clinton locked in a close contest and details about their debate plans unclear. But the fireworks Tuesday were on the Republican side.

Trump said he would hold his own event in Iowa during the debate to raise money for wounded veterans. He dismissed Kelly as a "third-rate reporter" who is bad at her job and had been "toying" with him - reprising a squabble that erupted after a debate Kelly co-hosted last year.

Trump's pullout came after Fox News Channel tweaked the GOP front-runner for asking his Twitter followers whether he should debate. The network, in a sarcastically worded statement, said it had learned from a "secret back channel" that the leaders of Iran and Russia planned to treat Trump unfairly if elected.

"A nefarious source tells us that Trump has his own secret plan to replace the Cabinet with his Twitter followers to see if he should even go to those meetings," read the statement from a Fox News Channel representative.

Trump's declaration was an unexpected, if not unpredictable, twist in the final days of the Iowa campaign. The real estate mogul had threatened repeatedly to boycott debates before, only to ultimately acquiesce.

By picking a fight publicly, Trump assured that even if he goes through with his plan not to show up Thursday, his absence will be the center of attention.

A Fox News Channel spokesman didn't immediately respond to Trump's decision. But Cruz said Trump was scared of Kelly, telling supporters that skipping the debate was like refusing a job interview.

"If someone did that, didn't show up at the interview, you know what you'd say? You're fired," Cruz said, riffing on Trump's famous rejoinder from the "The Apprentice."

On the Democratic side, Obama has sought to avoid showing explicit favoritism in the primary. So his sit-down Wednesday with Sanders was being closely watched for any signs of the president's leanings. White House spokesman Josh Earnest said the meeting would be private and that there would be "no formal agenda."

Just a day earlier, Clinton had been soaking in presidential praise. In a Politico interview, Obama called her "wicked smart" and immensely qualified to run the country, in his most extensive comments to date on the race. Obama has met with Clinton, his former secretary of state and 2008 primary opponent, periodically. Unlike the Sanders meeting, the White House typically hasn't disclosed those sessions in advance.

Democrats, too, faced fresh uncertainty about their debates - marquee events in the presidential race.

Following criticism that the Democratic Party had limited debates to help Clinton, New Hampshire's largest newspaper and MSNBC said Tuesday they would host an additional debate next week just before the first-in-the-nation primary. But the Democratic National Committee chairwoman said the party had "no plans" to sanction more debates, and Clinton's campaign said she'd only participate if the other candidates agree. So far, only Martin O'Malley has said he'll participate.

Sanders, in an Associated Press interview Tuesday, waxed confident that he had an "excellent chance" to win Iowa. He predicted success in Iowa and New Hampshire would beget more support from party leaders who have firmly backed Clinton as the party's best chance for a general election victory.

"If I'm the candidate best able to do that, you can bet your bottom buck we're going to have a whole lot of establishment Democrats on board," Sanders said.

Cruz spent his day in Iowa trying to avoid a war of words with Trump, who accused him of being nervous and a "total mess." Though lagging behind Trump nationally, Cruz is locked in a cutthroat race with Trump in Iowa, leading many Republican leaders to grudgingly accept the likelihood that one of the two could be their nominee.

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