At an awards ceremony hosted by the New York City portion of the Independence Party on Sunday afternoon, former White House Urban Affairs Director and potential mayoral candidate Adolfo Carrion declared he had left the Democratic Party and is now not enrolled in any party.(1)
Bloomberg doesn't make a habit of weighing into too many local races, but this one is unique. Florida is an always-important swing state in presidntial elections, so any chance to have an impact there is, potentially, an impact that would not go unnoticed by nationa campaigns. Also, it's an opportunity for Bloomberg to link arms with Clinton, who has pioneered the idea that officials could be nearly as influential after leaving office, as they were while in office -- an issue the term-limited New York City is grappling with.(1)
Here is a conspiracy theory: The mayor is displeased with the idea that his national relevance is fading, and is seeking to make an implicit argument that, in fact, his national relevance is growing.
1) In a piece about the mayor's attempts to grapple with Occupy Wall Street, New York magazine's Chris Smith described the ways in which it had shown the mayor to be somewhat out of political fashion, since we've moved from "the terror error to the income-inequality era," and that, related, "Bloomberg is Wall Street."
2) Kevin Sheekey told the Daily Beast that Bloomberg was destined for things that are bigger than the mayoralty, comments that were noted, with appropriate clarity, by Politico's Ben Smith and Maggie Haberman.