The feud between the two New York City billionaires has escalated since Bloomberg has emerged a serious contender for the Democratic nomination.
In 2015, he stepped back into his role as Bloomberg LP CEO after serving a two-year stint as a full-time philanthropist.
Sanders was asked whether he was "surprised" at how "unprepared" Bloomberg appeared during the Nevada debate.
it’s becoming increasingly possible the nominating contest could end in the first contested convention in decades.
The world’s biggest online retailer has responded to the crisis by making larger and more frequent orders of goods made in China.
Cuomo said Bloomberg's bad performance wasn't just rust - it was a substance issue
“Parasite” is the only non-English film to win the top prize at the Oscars in the award show's 92-year history.
Sanders' tax returns last year revealed that he’s worth about $2.5 million, a fraction of Bloomberg.
Campaign officials said a portion of the money went toward building up Bloomberg's operation.
De Blasio is also facing scrutiny about the cost of taxpayers of his security detail during his brief presidential campaign.