Ron DeSantis (left) and Donald Trump.

Joe Raedle/Getty Images; Spencer Platt/Getty Images

Donald Trump railed at polling that suggests DeSantis would beat him in a primary contest. He shared what he called "REAL POLLING" that showed him beating the Florida governor. "Trump is increasingly scared of being left for dead by the Republican Party," a GOP donor told NBC News.

Former President Trump raged against polling that suggests Florida Gov. Ron DeSantis would beat him in a hypothetical primary...

Continue Reading A 'civil war' looms in the Republican party as Trump rages at polls showing DeSantis is more popular, warns GOP donor