Bill de Blasio, who for some reason is still considering a 2020 presidential bid, seems to be facing a total lack of support—including from current and former aides, who lamented to Politico on Monday that the New York City mayor’s continued interest in the White House is “fucking insane.”

“He should not run,” one former ally told the publication. “N.Y.C. is at an inflection point and the chief executive should focus on his responsibility to guide the city through what are likely to be difficult times. Running for president is his choice, but the voters choose him to run N.Y.C. and he should do just that.”

The calls for de Blasio to bow out are just the latest indicator that the New York mayor should reconsider the bid he’s been publicly flirting with for months. He’s polling poorly in his home city, and he’s not even on the radar for voters in Iowa, where the first contest of the Democratic primary will be held next February. (A CNN/Des Moines Register survey puts him at less than 1 percent.) Perhaps most damning is a new Monmouth University poll, out today, in which de Blasio is the only potential Democratic 2020 candidate with a net negative approval rating. He’s miles behind early front-runners Joe Biden, who is still quasi-officially on the sidelines, and Bernie Sanders, who’s posted big fund-raising numbers since entering the race last month and spent the weekend barnstorming the state. De Blasio can’t compete with that kind of donor network, nor does his national profile stack up. With a personality a top Hillary Clinton backer once described as “insufferable,” it’s not clear he’ll be able to turn things around.

As if the concrete obstacles facing his possible candidacy weren’t enough, de Blasio has also gotten some cosmic signs that he should put his presidential ambitions aside, at least for now. During a trip to Iowa last month, where he pitched himself to a small crowd of about 25, a blizzard stranded him at a Super 8 motel. Unbowed, he’s continued on the unofficial campaign trail, resulting in an embarrassing gaffe in South Carolina over the weekend in which he awkwardly flapped his arms to a church choir’s rendition of “I Believe I Can Fly”—the R&B classic by R. Kelly, who was recently charged with 10 counts of aggravated criminal sexual abuse.

The mayor’s radical history as a young Sandinista could resonate with a Democratic Party that has been drifting left. But other presidential candidates—including Sanders, Elizabeth Warren, and Kamala Harris—are also champions of progressive causes, diminishing what might have made de Blasio unique. As former de Blasio adviser Rebecca Katz said in a recent interview, “I’m just not so sure [de Blasio] is the right messenger.” Even de Blasio’s wife, Chirlane McCray, told Politico recently that while she believes her husband would make a “great president,” the “timing is not exactly right.”

And yet de Blasio still seems to be weighing his chances. “I really appreciate everyone’s views, but I don’t know they can see things the way Chirlane and I see them, in terms of what we need to do with our lives, what we feel is the right thing to do, but also how we analyze the political circumstance—because it’s been kind of a life’s work for both of us,” he told Politico. “I assure you I had a lot of folks who were friends and allies warmly put their arm around my shoulder and tell me what a crazy idea it was to run for public advocate, what a crazy idea it was to run for mayor.”

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