September 15, 2019 | 11:05am

​WASHINGTON – Former HUD head and 2020 candidate Julian Castro misplaced a key Congressional endorsement Sunday to former Vice President Joe Biden.

Rep. Vicente Gonzalez, a Democrat from Castro’s dwelling state of Texas, mentioned on CNN’s “State of the Union” that the Democrats massive discipline of 20 candidates wanted to be culled.

“I think at this point in time we need to narrow the field and unite as Democrats to defeat Trump in November 2020. And that’s why I believe I’m moving my support to Vice President Joe Biden,” Gonzalez advised CNN’s Jake Tapper​.

In a subsequent assertion, Gonzalez mentioned Biden “demonstrated statesmanship and leadership” throughout Thursday evening’s debate in Houston, Texas.

In the meantime, Castro has taken warmth for an inexpensive shot at Biden through the debate.

Joe Biden
Joe BidenAFP/Getty Photographs

“Are you forgetting what you said two minutes ago?” the 44-year-old Castro mentioned to the 76-year-old Biden at one level, producing audible gasps within the viewers.

When South Bend Mayor Pete Buttigieg chimed in saying “this is why presidential debates are becoming unwatchable,” Castro shot again, “That’s called an election.” ​

Castro additionally boasted, “I’m fulfilling the legacy of Barack Obama and you’re not,” accusing the ex-vice president of leaving 10 million American uninsured in his proposed healthcare plan.

“That’ll be a surprise to him,” Biden responded.