Sen. Alexander endorses Rubio: 'The stakes are high'

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Sen. Lamar AlexanderLamar AlexanderBipartisan gun measure survives test vote Overnight Healthcare: GOP plan marks new phase in ObamaCare fight Stoddard: The great Trump rebellion MORE (R-Tenn.) is endorsing Marco RubioMarco RubioO'Malley gives Trump a nickname: 'Chicken Donald' Gun-control supporters plan next steps versus NRA Va. GOP delegate files lawsuit over bound convention votes MORE’s White House bid, the Florida senator's campaign announced early Sunday.

"Marco Rubio is the conservative candidate who can inspire us, win the election, and lead our country," Alexander said in a statement. "The stakes are high. If our nominee does not win, Hillary ClintonHillary Rodham ClintonO'Malley gives Trump a nickname: 'Chicken Donald' Mia Love to skip GOP convention Trump hopes for boost from Brexit vote MORE’s justices will control the Supreme Court for 30 years and we’ll be stuck with Obamacare forever.

"I have watched Marco up close. I have seen him take the lead in passing new laws to impose tough new sanctions on Hezbollah terrorists, and to get rid of incompetent managers who weren’t doing their jobs to help veterans. He has proposed good new ideas for giving students more options for college. I am convinced he would be a strong and effective president of the United States," he added.

Alexander’s endorsement comes ahead of the Tennessee GOP primary on Super Tuesday.

Tennessee’s Republican governor, Bill Haslam, endorsed Rubio last week.

The Tennessean reported that Alexander and Haslam are scheduled to join Rubio on Monday morning in Knoxville for a campaign event.

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