Lieberman: Dems won't win with slide to left
© Getty

Former Sen. Joe Lieberman (I-Conn.) argues the Democratic Party will not win elections if the liberal wing of the party takes over.

"Here is my fear about the future of the Democratic Party. In a way, relatively speaking, Hillary ClintonHillary Diane Rodham ClintonGillibrand urges opposition to Kavanaugh: Fight for abortion rights 'is now or never' Bannon announces pro-Trump movie, operation team ahead of midterms: report Fox News host hits Giuliani: Dossier isn't why Mueller probe was started MORE was representative of ... center-left of the Democratic Party, not the pure left," Lieberman said in a radio interview with John Catsimatidis on Sunday.

ADVERTISEMENT
"Now I think there will be a real attempt by the left-left of the Democratic Party to take over the party, and I don't think that's the way to go to make it an effective party," he continued.

"It's certainly not the party that I got drawn to ... it's not the party that I worked so hard for when Bill ClintonWilliam (Bill) Jefferson ClintonGiuliani: Trump legal team ready to argue Mueller subpoena 'before the Supreme Court' In trade war, US has economic edge, but China has political advantage Will White House press briefings return to what they used to be? MORE was president and it's not going to be a winning party."

Democrats have been grappling with the future of their party following Donald TrumpDonald John TrumpGillibrand urges opposition to Kavanaugh: Fight for abortion rights 'is now or never' Trump claims tariffs on foreign nations will rescue US steel industry: report Bannon announces pro-Trump movie, operation team ahead of midterms: report MORE's upset win over Hillary Clinton last month. Republicans also maintained their majorities in both the House and Senate.

Lieberman, a former Democrat who served as the party's 2000 vice presidential nominee, expressed hope that incoming Senate Democratic Leader Charles SchumerCharles (Chuck) Ellis SchumerElection Countdown: GOP worries House majority endangered by top of ticket | Dems make history in Tuesday's primaries | Parties fight for Puerto Rican vote in Florida | GOP lawmakers plan 'Freedom Tour' Senate Democrats should stop playing politics on Kavanaugh Montana GOP Senate hopeful touts Trump's support in new ad MORE (D-N.Y.) facilitates compromise with Republicans.

Lieberman stressed the importance of political cooperation between both parties while warning about the danger of going "back to the extremes."

"To me, both parties better watch out not to go back to the extremes — left and right — and not working with each other. I think that the public really wants both parties to get together, work together and solve some of the problems of our country, make the future better," he said.