FILE -- Attendees listen to former New York City Mayor Michael Bloomberg, a Democratic presidential candidate, during a campaign event in Philadelphia, on Tuesday, Feb. 4, 2020. The former mayor’s philanthropy has been a boon for progressive causes, earning support from Democrats nationwide even as parts of his record give them pause. (Hannah Yoon/The New York Times)

How Bloomberg built
an empire of influence

He has long mingled support for progressive causes with more conservative positions offering himself up as a person singularly equipped to defeat Trump