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Jesse Watters reacted to a poll showing Special Counsel Robert Mueller's public approval rating slipping since June.

In the NBC News-Wall Street Journal survey, the proportion of people with a positive view of Mueller went from 24 to 28 percent while those with a negative view rose from 11 percent to 21 percent.

Watters played tape of routine Trump critic Rep. Ted Lieu (D-Calif.) ripping Republicans for criticizing Mueller.

"When [Mueller] was appointed, Republicans praised him. Now they're attacking him," the Los Angeles County Democrat said, calling the party "afraid of facts and evidence."'

Watters rejected Lieu's assertion that Mueller is unable to be criticized, citing allegations against Agents Peter Strzok and Andrew McCabe.

"It seems like Mueller's basically the Democrat candidate for president, " Watters said on "The Ingraham Angle."

"It's the only person who could stop Donald Trump's reelection," he continued.

Former Secret Service Agent Dan Bongino agreed, saying that outside of the Mueller probe, allegations of collusion with the Kremlin and general obstructionist policies, Democrats have little to show going into 2020.

Watch more above.

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