Rep. Hakeem Jeffries Hakeem Sekou JeffriesDemocratic leaders: Supreme Court fight is about ObamaCare Pelosi: House will stay in session until agreement is reached on coronavirus relief Races heat up for House leadership posts MORE (D-N.Y.) is endorsing Democratic presidential front-runner Hillary Clinton Hillary Diane Rodham ClintonButtigieg stands in as Pence for Harris's debate practice Senate GOP sees early Supreme Court vote as political booster shot Poll: 51 percent of voters want to abolish the electoral college MORE.

“Hillary Clinton is not a blank check — she’s money in the bank,” he said, according to the New York Observer.

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Jeffries said Clinton's main rival for the Democratic nomination, Sen. Bernie Sanders Bernie SandersButtigieg stands in as Pence for Harris's debate practice Bernie Sanders warns of 'nightmare scenario' if Trump refuses election results Harris joins women's voter mobilization event also featuring Pelosi, Gloria Steinem, Jane Fonda MORE (I-Vt.), is incapable of winning in the general election.

“Let’s be clear — a self-described socialist will not be the next president of the United States,” Jeffries said at New York City Hall.

“Senator Bernie Sanders in my view has a significant track record of articulating good ideas on behalf of hard-working Americans but that verbal track record in and of itself is not a sufficient qualification to be the next president of America.”

Jeffries argued that Clinton has a better chance of winning the White House next year because Sanders is not gaining traction with minority voters.

“It was clear to me very early on that Barack Obama Barack Hussein ObamaMichelle Obama and Jennifer Lopez exchange Ginsburg memories Pence defends Trump's 'obligation' to nominate new Supreme Court justice The militia menace MORE had broad appeal across a very diverse constituency in the United States of America,” said Jeffries, citing the president’s path to the Oval Office in 2008 and 2012.

“I’ve got tremendous respect for Senator Bernie Sanders but he’s got a narrow appeal and it’s not clear to me [that it] will extend beyond certain segments in Iowa and New Hampshire and I think the polls have born that out to date,” he added.

Jeffries then criticized liberal New York Mayor Bill de Blasio Bill de BlasioNew York City will rename Brooklyn municipal building after Ginsburg New York to honor Ginsburg with statue in Brooklyn The Hill's Morning Report - Sponsored by The Air Line Pilots Association - White House moves closer to Pelosi on virus relief bill MORE (D) for refusing to endorse Clinton’s 2016 bid. De Blasio has repeatedly argued Clinton’s policy positions are too vague.

“It’s not my place to determine his time table,” Jeffries said of de Blasio’s endorsement, according to the New York Daily News.

“It’s not clear to me, however, that a town hall meeting in the corn fields of Iowa has anything to do with the quality of life of everyday New Yorkers,” he said, referencing de Blasio’s presidential forum in the Hawkeye State next December.

“[She] has a proven track record,” Jeffries added of Clinton. "I think you will see her strengthen her support [as the race goes on].”

Jeffries is reportedly considering running against de Blasio for the New York mayor’s office in 2017.

De Blasio previously managed Clinton's successful campaign for a New York Senate seat in 2000.