The Minnesota senator told Reuters going head-to-head against President Donald Trump "without some animation" or humor would be a problem.
The senator said generals privately complain they "can't be won."
Andrew Yang, the only candidate of color in the December debate, struggled to qualify this time around.
New Jersey senator Cory Booker has met the new fundraising requirements to qualify for the next Democratic debate in January, but his poll rankings may keep him out of the Des Moines debates.
The former vice president told Trump's former secretary that he himself had a stuttering problem. "It's called empathy," he tweeted.
Mayor Pete Buttigieg and Senator Amy Klobuchar went after each other on Thursday's Democratic debate with Buttigieg challenging Klobuchar to attempt getting a majority vote as a "gay dude in Mike Pence's Indiana."
Businessman Andrew Yang said at the Thursday Democratic debate that if Universal Basic Income were the law, he wouldn't be the only non-white presidential candidate on the stage.
Democratic strategists also told Newsweek that the impeachment of President Trump should be sidelined in Los Angeles tonight.
President Donald Trump may not appear at next year's presidential debates because he doesn't trust the Commission on Presidential Debates, according to sources who spoke with The New York Times.
Comedian Louis C.K. sparked debate over "comedy police" and cancel culture, after making a joke in Israel about preferring Auschwitz over New York City.
IBM's Project Debater took part in a debate for and against artificial intelligence alongside to two humans. The case in favor of AI achieved a narrow victory.
Tulsi Gabbard is among the ten candidates who will be onstage for Wednesday's debate, with her appearance capping a month of middle-of-the-pack polling and a public spat with Hillary Clinton.
The Fourth Industrial Revolution takes the developments of the Third Industrial Revolution a step farther.
During the Fourth Democratic Presidential Primary Debate, Andrew Yang took a swing at Bing which led to Microsoft's search engine trending.
"The DNC and the corporate media are rigging the election again," the Hawaii congresswoman claimed.
"What does it say that the conservatives are nicer to me?" the Democratic presidential candidate asked.
Texas Senator Ted Cruz joined 2020 Democratic presidential candidate Andrew Yang in urging law enforcement officials and the news media against using the names of mass shooters.
A picture of a man with a large semi-automatic rifle slung over his shoulder in a Starbucks prompted social media debate Wednesday over "open carry" and U.S. gun rights.
"Biden, like a balloon, the air runs out of it," Ari Fleischer said, "it just deflates and goes away."
"For decades the Democratic party was complicit in a bipartisan attack on the immigrant community," an activist said in a press release.
"I don't understand why people run and then they promise stuff and it never happens," Fox & Friends co-host Ainsely Earhardt said, criticizing Warren.
"I'll be honest, I really do think that this was a breakaway night," she said in her appearance on "The Late Show."
Experts talk cake dispute.
The politicians were discussing proposed restitution for Jewish Holocaust victims, whose property was seized during the genocide.
Vermont Independent Bernie Sanders is set to appear in a town hall event Monday evening hosted by Fox News anchors Bret Baier and Martha MacCallum.
"This is a fundamental problem with the Democratic Party: they look weak, running from a fight when they should be throwing punches," Bill Maher said on Friday night on 'Real Time.'
"I'm the only person here of color, OK?" Senator Flowers said. "I am a mother too. And I have a son. And I care as much for my son as y'all care for yours. But my son doesn't walk the same path as yours does. So this debate deserves more time."
"Do you think that having sex with a stripper is conservative values?"