"I still do not think he is the best candidate for our country," the Democratic presidential candidate noted.
"He felt the policy was executed well under Mayor Giuliani," Marc Short told CNN.
"What is this stuff that he's condemning stop-and-frisk?" Trump's personal lawyer asked.
The Vermont senator's wife said elite figures from both political parties are afraid of her husband's policies promoting affordable health care and education, noting that the U.S. "already has socialism" -- but only for corporations.
The former White House chief strategist narrowed the 2020 presidential race down to "oligarch" billionaire Michael Bloomberg and President Donald Trump.
"The Late Show" host also compared Mike Bloomberg to President Donald Trump, "another New York billionaire with a questionable history with women."
The percentage of voters believing Joe Biden has the best chance of beating Donald Trump has declined by 12 points.
Trump responded to Bloomberg's new campaign strategy of meme accounts posting sponsored content, by sharing a doctored photo of the candidate, while calling him "a 5'4" mass of dead energy."
Vulnerable Democrats fear Bernie Sanders could ruin not only the Democrats' chances at ousting Trump, but also their ability to maintain control of the House and prevent further losses in the Senate.
The president said the ex-New York City mayor's stop-and-frisk approach to gun crime was "tremendous beyond belief" when he went head-to-head with Hillary Clinton.
"Sarah Sanders saying anyone else's language is atrocious while defending Trump is the biggest joke of the year," one Twitter user wrote.
The number of reported police stops per year increased by about 700 percent in New York City from 2002 to 2011, when Bloomberg was mayor.
Today, the great divide is not between left and right. It's between democracy and oligarchy. Mike Bloomberg is indubitably part of that oligarchy.
Tim O'Brien told the president's eldest son that his father was a "flagrantly hateful racist" and said his boss was not "in the same category."
Meanwhile, Joe Biden's support from black voters has dropped substantially, as has his support nationwide.
Andrea Mitchell referred to the latest poll from Quinnipiac University, which indicated that Biden's support among the black community had dropped 22 percent since January.
The president, who has been accused of making racist remarks, attempted to jump on the billionaire businessman as #BloombergIsRacist trended on Twitter.
"Mike Bloomberg isn't much different from Donald Trump. He has a history of racism and he's a wealthy white man who decided to buy the election," Frederick Joseph tweeted.
Morning Consult said the Vermont senator is now ahead of for the former vice president, a first in its polling for the Democratic Party's 2020 race.
The Democratic 2020 candidate and former New York City mayor made the remarks in a 2015 talk at the Aspen Institute.
Former New York Mayor Mike Bloomberg appeared to win support among both Democrats and at least one Republican as a write-in candidate.
The survey shows Sanders 8 points ahead of Biden, whose support has plummeted by 9 percent since the Iowa caucuses.
"Candidly, I had waited and hoped for Bloomberg, then thought he wouldn't enter — thereafter, I signed a card for Biden, with the expectation we'd (state legislators) be welcomed to provide input. Several attempts later, my enthusiasm and confidence have waned," Jason Pizzo told Politico.
Team Bloomberg handed out the "Donalds" awards as Sunday's Oscars night unfolded.
After New Hampshire, Democrats will take the stage to debate for the ninth time in Las Vegas, three days before the Nevada caucuses.
"He is spending hundreds and hundreds of millions of dollars to buy the election," the Vermont senator said about Bloomberg. "There's something wrong with that."
Just 38 percent of respondents said they were more likely to back Pete Buttigieg for the party's nomination.
"They shouldn't change the rules to let a billionaire on," said Massachusetts Senator Elizabeth Warren.
Sanders campaign Co-Chair Nina Turner called former New York City Mayor Mike Bloomberg an "oligarch" who is trying to "buy" his way into the Democratic nomination for president during an MSNBC discussion before the Iowa caucus results on Monday.
The former Fox journalist said the presidential candidate should follow the lead of others and come out against mandatory nondisclosure agreements.