Kansas Gov. Sam Brownback endorses Rubio
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Kansas Governor Sam Brownback (R) on Monday endorsed Marco RubioMarco RubioReport: VA drug thefts not going away Senate panel could pass new Russia sanctions this summer McConnell on Trump: 'We could do with a little less drama' MORE’s presidential campaign.

Rubio’s campaign made the announcement in a statement that described Brownback as “one of the most conservative governors in the country” who has been “one of the nation's strongest defenders of the unborn, limited government, and traditional values.”

"Marco Rubio is a true conservative who can unite the party and defeat Hillary ClintonHillary Rodham ClintonTrump: Portland attacks ‘unacceptable’ Juan Williams: Trump's budget hurts his voters Is it still possible to stop ‘Big Tech’ from killing democracy? MORE or Bernie SandersBernie SandersFunding confusion complicates Meals on Wheels budget fight The Hill's 12:30 Report Five takeaways from the Montana special election MORE in the fall," Brownback, a former senator and congressman, said in a statement. "In the past, conservatives have been forced to make a choice between their head and their hearts. This year, we are fortunate to not have to make that choice.”

Brownback said Rubio has a “proven track record of protecting life, defending religious liberty, and undoing Obamacare.”

Rubio is averaging 20 percent support in national polls, behind front-runner Donald TrumpDonald TrumpGerman foreign minister: Trump has weakened the West Perez: Honor the fallen by helping veterans Innocents abroad: Trump and Temple Mount MORE and Ted CruzTed CruzGOP leader tempers ObamaCare expectations Franken explains why he made an exception to diss Cruz in his book FEC faults Cruz on Goldman Sachs loans in rare unanimous vote MORE.