Twitter users responded warmly to Sen. Bernie Sanders Bernie SandersThe Hill's Campaign Report: Trump faces backlash after not committing to peaceful transition of power Bernie Sanders: 'This is an election between Donald Trump and democracy' The Hill's 12:30 Report: Trump stokes fears over November election outcome MORE (I-Vt.) apologizing to Sen. Elizabeth Warren Elizabeth WarrenHillicon Valley: Subpoenas for Facebook, Google and Twitter on the cards | Wray rebuffs mail-in voting conspiracies | Reps. raise mass surveillance concerns On The Money: Anxious Democrats push for vote on COVID-19 aid | Pelosi, Mnuchin ready to restart talks | Weekly jobless claims increase | Senate treads close to shutdown deadline Democratic senators ask inspector general to investigate IRS use of location tracking service MORE (D-Mass.) after he accidentally began to answer her question during the second 2020 Democratic debate Tuesday.

As Warren and former Maryland Rep. John Delaney John DelaneyCoronavirus Report: The Hill's Steve Clemons interviews Rep. Rodney Davis Eurasia Group founder Ian Bremmer says Trump right on China but wrong on WHO; CDC issues new guidance for large gatherings The Hill's Coronavirus Report: Kansas City Mayor Quinton Lucas says country needs to rethink what 'policing' means; US cases surpass 2 million with no end to pandemic in sight MORE (D) sparred over international trade regulation such as the Trans-Pacific Partnership, the CNN moderators directed the debate to Warren to respond. But when Sanders interjected with an “I would,” the moderators and Warren told the senator it was her turn.

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Sanders responded with a quick “Oh, I’m sorry” to his fellow senator, earning a laugh from the audience.

Sanders: “Oh, I’m sorry”

The Warren/Sanders friendship is strong #demdebate — Solomon Ni (@NiSolomon) July 31, 2019

Warren edges closer to getting a technical foul. Delaney smiles and blinks a lot. Sanders tries to grab the ball but touches it right before it goes out of bounds: "Oh, I'm sorry." — kathryn fink (@finkcommakath) July 31, 2019

okay Sander’s “oh i’m sorry” was actually so harmless and wholesome #DemocraticDebate2020 — Michelle Murphy (@michmurphyy) July 31, 2019

Some supporters said the exchange demonstrated the respect between the senators, who spent much of the evening defending their progressive policies against some of the more centrist candidates such Delaney, former Colorado Gov. John Hickenlooper John HickenlooperThe Hill's Morning Report - Sponsored by Facebook - Trump previews SCOTUS nominee as 'totally brilliant' Cook Political Report shifts Colorado Senate race toward Democrat Willie Nelson playing at virtual fundraiser for Hickenlooper MORE (D) and Montana Gov. Steve Bullock Steve BullockMcConnell locks down key GOP votes in Supreme Court fight Senate Democrats demand White House fire controversial head of public lands agency Pence seeks to boost Daines in critical Montana Senate race MORE (D).

Moderator tells Bernie Sanders, "Let Elizabeth Warren speak," and he quickly says, "Oh, I'm sorry!"



They're RESPECT each other. They're both strong candidates, but even better together. Bernie and Warren should be the Democratic ticket.#Bernie2020 #Warren2020 #DemocraticDebate — Megan Slay (@meganslay27) July 31, 2019

Some added that Sanders was demonstrating Midwestern manners during the debate, which was held in Detroit, Mich.