"This is going to be very, very very tough" for Democrats, Former White House strategist Steve Bannon said about winning the 2020 presidential election. | AP Photo/Domenico Stinellis 2020 Elections Steve Bannon predicts Harris-Beto ticket has 'best shot' at beating Trump

Former White House chief strategist Steve Bannon on Friday claimed a Kamala Harris-Beto O'Rourke ticket has the "best shot" against President Donald Trump in the 2020 elections, but he also contended that the president will likely win reelection.

"I think the best they're going to have, and I don't think these people will defeat him, I think a combination ... of [Kamala] Harris for president and Beto O'Rourke for VP is a way to mobilize their base and give it the best shot," Bannon said during an interview on CNBC's "Squawk Box."


The Democratic primary field is one of the largest and most diverse, and it includes a number of big-name Democrats such as Sens. Bernie Sanders and Elizabeth Warren, in addition to Harris and O'Rourke.

Former Vice President Joe Biden has also been weighing a bid, and is at the top of recent polls despite not having officially announced his campaign.

Trump praised Harris' rollout when she first announced her candidacy. The president, however, bashed O'Rourke's hand movements, claiming he looked crazy.

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Bannon also claimed that if there is not a clear candidate that has "broken out of the pack, and looks like they can pull and take on Trump one-on-one" by fall 2019, Democrats may have to bring on the president's former rival: Hillary Clinton.

"People should not count her out," he said. "She's going to be sitting in the bullpen waiting for the call."

In addition, Bannon said Trump is already taking down candidates, such as Warren. The president has repeatedly verbally attacked Warren and nicknamed her "Pocahontas," after she claimed to be part Native American.

"She's probably got some of the most well-formed policy positions, particularly in comparison to some of the other candidates on the left," Bannon said. "He's basically blown her up already. She's in single digits, and I don't think she'll break out."

"This is going to be very, very very tough" for Democrats, Bannon said.