Twenty-two of Joe Biden's rivals tried Saturday to find that he was not the best choice for 2020, mostly without mentioning his name.
Online critics were less good.
Former Alaska Sen. Mike Kies, one of only two Democratic candidates who skipped the Democratic Assembly of South Carolina, praised Biden as "unchanging, apologetic, unaware" for
Biden's recent comments in which he did his own work praised with segregationist Senate Democrats in the 1970s.
Gravel tweeted that former Vice President "is a disaster waiting to be passed. If you are serious about beating Trump, you must be serious about beating Joe and giving us serious progress for the White House.
In Columbia, SC, candidates attempted to direct the conversation around the frontrunner.
Californian Senator Kamala Harris entered the convention with a drum that played as she drove down a lift. It attacked Trump for everything from his tax and trade policies to an alleged lack of intellectual property rights for marginalized Americans. She said that Trump's economic proposals help rich and injured farmers.
"We need someone on our stage when it comes to this general election, who knows how to recognize a rap sheet, if he sees it and keeps track of the case," she told Harris, a former prosecutor.
Harris added that Democrats should not "turn back the clock" and instead "start the next chapter", a veiled blow on Biden.
Massachusetts Senator Elizabeth Warren put her progressive policy on an agenda that can attract both Democratic and Republican voices.
"The people of this nation understand that it is time for a major structural change in America," she said. "The time for small ideas is over."
Vermont's Senator Bernie Sanders, meanwhile, pushed back a centrist-democratic group, Third Way, which was critical of him and said his left-wing agenda could win the White House.
] "We are defeating Trump with a campaign full of energy and enthusiasm that significantly boosts voter turnout. , , In a way we've never seen before, "he said.
Sanders was criticized online for bringing a squad of African American aides and supporters on stage. The move was seen as an attempt to resist the large population of the state's black democrats.
Mayor de Blasio spoke after putting on only 1
"I want to be President of the Working People," he said. "Let's be honest: In 2016 too many Americans were not sure if this party was on the side of the working people."