Donald TrumpDonald John TrumpBroward County official Brenda Snipes submits resignation after criticism Retired lieutenant general tears into Trump over attacks against Navy SEAL: 'Disgusting' Senate barrels toward showdown over Trump's court picks MORE is giving Bernie SandersBernard (Bernie) SandersDems wonder if Sherrod Brown could be their magic man My fellow Democrats should watch their language: Economic equality is not a rational societal goal As Democrats gear up to challenge Trump in 2020, the key political divide will be metropolitan versus rural MORE credit for helping him come up with lines of attack on Hillary ClintonHillary Diane Rodham ClintonRetired lieutenant general tears into Trump over attacks against Navy SEAL: 'Disgusting' Retired admiral who oversaw bin Laden raid doubles down on Trump criticism Trump dismisses criticism from Navy SEAL who led Osama bin Laden mission MORE.

Trump, the presumptive GOP presidential nominee, on Friday said Sanders has come up with some strong attacks on Clinton.

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“Hillary is a disaster, folks,” Trump said at a rally in Fresno, Calif. 

“She has bad judgment, that was said by Bernie Sanders. He’s given me a lot of my best lines. I mean, he has given me such great lines on her.”

Trump added that he uses Sanders’s attacks against Clinton because critics accuse him of being “not nice” when he comes up with his own.

Clinton has a big lead on Sanders in the Democratic presidential race, but Sanders has insisted he won’t leave the race until the Democratic National Convention this summer.