Top Stories
Top Stories

McCain, Rubio, Wasserman Schultz Win Primary Fights

Carrie Dann
Senator Marco Rubio speaks during a town hall meeting in Marshalltown, Iowa, January 6, 2016.
Scott Morgan | Reuters

Three high-profile incumbents looking to hold on to their jobs in Tuesday's primaries have done so as Florida's GOP Sen. Marco Rubio and Democratic Rep. Debbie Wasserman Schultz, and Arizona Republican Senator John McCain beat back primary challengers, according to the Associated Press.

While favored to win, the establishment official faced stiffer-than-usual opposition this year with the challenges comings just as the bitter and unpredictable presidential race enters its final post-Labor Day push.

More from NBC News:
Florida Senate Primaries: Murphy Battles Grayson as Rubio Looms
Can John McCain Survive the Year of Donald Trump?
Analysis: New Wisconsin Voter ID Rules Expose Law's Real Aim

McCain, who was first elected as senator in 1986 and served as his party's presidential nominee in 2008, edged out tea party conservative challenger Kelli Ward and two other Republicans on the ballot. But the Vietnam War veteran had to deal with a tough fight in a contest highlighting his often uncomfortable relationship with Republican standard-bearer Donald Trump.

Last year, Trump suggested that McCain's accolades as a war hero were overblown. Earlier this month, Trump initially refused to endorse McCain, accusing him of failing to do "a good job" for veterans.

The Arizona senator must now steel himself for a likely hard-fought general election race against Democratic Rep. Ann Kirkpatrick while sharing the ballot with a nominee whose approval ratings with minority voters have sunk to historic lows. In 2012, nonwhite voters made up 28 percent of Arizona's electorate.

What should the GOP do about Donald Trump?

In an interview with NBC News this week, McCain dismissed the idea that he must separate himself from Trump, whom he has endorsed. "It's the people of Arizona who know me," he said. "I have 100 percent name ID, they all know me very well, I've been here for many years. So I don't think their judgment is affected by anything but what they view of me, how they view me."

In Florida, Rubio, a former GOP presidential candidate who reversed his onetime pledge not to seek re-election after his White House bid, easily prevailed Tuesday night over a challenge from anti-establishment millionaire candidate Carlos Beruff, according to projections by the Associated Press.

Rubio will almost certainly face Patrick Murphy, the likely winner of the Democratic Senate primary, for one of November's most closely-watched downballot races. (Murphy, a Democratic Party favorite, will himself square off Tuesday night against liberal firebrand Alan Grayson, whose political fortunes sputtered after allegations of domestic abuse.)

Wasserman Schultz, the former leader of the Democratic National Committee, also hung on after a primary challenge Tuesday. Wasserman Schultz was forced to step down from the helm of the DNC in July amid allegations that she and other Democratic officials had worked to thwart the primary hopes of presidential candidate Bernie Sanders.

Sanders endorsed her challenger, Tim Canova, and backers of the Vermont senator shoveled nearly four million dollars of donations into Canova's war chest.

Follow CNBC International on Twitter and Facebook.