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.
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.