Bernie SandersBernie SandersSupport drops for Medicare for All but increases for public option Hillicon Valley: Warren takes on Facebook over political ads | Zuckerberg defends meetings with conservatives | Civil liberties groups sound alarm over online extremism bill On The Money: Trump touts China trade deal | Wall Street, Washington see signs for caution | Trump threatens sanctions on Turkey | Sanders proposes sharp hike to corporate taxes MORE on Friday warned that a Democratic presidential ticket of Hillary ClintonHillary Diane Rodham ClintonSaagar Enjeti: Tuesday's Democratic debate already 'rigged' against Gabbard, Sanders Ilhan Omar raises .1 million in third quarter Bloomberg rethinking running for president: report MORE and a moderate running mate would be a “disaster.”

ADVERTISEMENT

“If Hillary Clinton were to win and Hillary Clinton were to bring onboard a conservative or moderate-type Democrat, I think politically that would be a disaster,” Sanders said in an interview with The Young Turks' Cenk Uygur.

Uygur asked if Sanders had any suggestions for VP — specifically citing Sen. Elizabeth WarrenElizabeth Ann WarrenSupport drops for Medicare for All but increases for public option Hillicon Valley: Warren takes on Facebook over political ads | Zuckerberg defends meetings with conservatives | Civil liberties groups sound alarm over online extremism bill Feehery: Trump may be down, but he's not out yet MORE (D-Mass.), whose name has been floating as a possible running mate for months.

Sanders said policy and a track record for fighting against Wall Street were the most important factors in a running mate.

“If she has not seen the dissatisfaction with establishment politics that’s out there now, then she is not a good politician at all," Sanders said. 

Sens. Sherrod BrownSherrod Campbell BrownBlood cancer patients deserve equal access to the cure Trump admin abruptly delays funding for human trafficking victims: report Overnight Energy: Lawmakers show irritation over withheld Interior documents | Republican offers bipartisan carbon tax bill | Scientists booted from EPA panel form new group MORE (D-Ohio), Tim KaineTimothy (Tim) Michael Kaine2020 general election debates announced Senators call for Trump administration to testify on Syria Schumer: Transcript 'absolutely validates' Trump impeachment inquiry MORE (D-Va.) and Colorado Gov. John Hickenlooper have all also been mentioned as potential running mates for Clinton, the Democratic presidential front-runner.

Clinton leads Sanders big in the race, but Sanders has pledged to stay in until the Democratic convention this summer.