South Bend, Ind., Mayor Pete Buttigieg Pete ButtigiegBillionaire who donated to Trump in 2016 donates to Biden The Hill's Morning Report - Sponsored by Facebook - GOP closes ranks to fill SCOTUS vacancy by November Buttigieg stands in as Pence for Harris's debate practice MORE was the only Democratic presidential candidate on the debate stage Tuesday night to explicitly endorse court packing as way to prevent Roe v. Wade from being overturned by a conservative majority on the Supreme Court.

Buttigieg said he wasn't wedded to expanding the number of justices but believes it would be an effective approach to limiting partisan control of the high court.

"Now, one way to fix this would be to have a 15-member court where five of the members can only be appointed by unanimous agreement of the other 10," Buttigieg said.

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He also proposed term limits for Supreme Court justices as a potential alternative.

Other candidates who were asked about court packing were more wary of the idea.

Former Vice President Joe Biden Joe BidenFormer Pence aide: White House staffers discussed Trump refusing to leave office Progressive group buys domain name of Trump's No. 1 Supreme Court pick Bloomberg rolls out M ad buy to boost Biden in Florida MORE said he would rather focus on the strength of a court nominee's support for upholding abortion rights.

"I would not pack the court," Biden said. "What I would do is make sure that the people that I recommended for the court from — Ruth Bader Ginsburg Ruth Bader GinsburgProgressive group buys domain name of Trump's No. 1 Supreme Court pick Democratic senator to party: 'A little message discipline wouldn't kill us' Lincoln Project mocks Lindsey Graham's fundraising lag with Sarah McLachlan-themed video MORE to Elena Kagan Elena KaganREAD: Supreme Court justices mourn death of Ginsburg, 'an American hero' Democrats, advocates seethe over Florida voting rights ruling Supreme Court denies push to add Green Party candidates to Montana ballot MORE, who used to work for me, to others — that they, in fact, support the right of privacy, on which the entire notion of a woman's right to choose is based."

Former Housing and Urban Development Secretary Julián Castro also pushed back on the notion of court packing, saying, "I think the plan that Mayor Pete mentioned is an interesting one, but I actually believe that if we were selecting from one of those things that the smarter move might be to look at term limits or having people cycle off from the appellate courts, so that you would have a replenishment of perspective."

Sen. Elizabeth Warren Elizabeth WarrenOvernight Defense: Appeals court revives House lawsuit against military funding for border wall | Dems push for limits on transferring military gear to police | Lawmakers ask for IG probe into Pentagon's use of COVID-19 funds On The Money: Half of states deplete funds for Trump's 0 unemployment expansion | EU appealing ruling in Apple tax case | House Democrats include more aid for airlines in coronavirus package Warren, Khanna request IG investigation into Pentagon's use of coronavirus funds MORE (D-Mass.) largely sidestepped the question, but said that given the broad support for Roe v. Wade, Congress should codify it into law.

"We should not leave this to the Supreme Court," she said. "We should do it through democracy, because we can."