Just days after ending his sputtering candidacy for the presidential nomination, Texas Democrat Julián Castro has endorsed U.S. Sen. Elizabeth Warren for the position, triggering speculation that he has his eyes on the vice presidency.

In a video posted on Monday morning, Castro—who previously served as the mayor of San Antonio and the Secretary of Housing and Urban Development under President Barack Obama—lavishes praise on Warren—a liberal senator from Massachusetts—as the pair sit at a kitchen counter.

“There’s one candidate I see who’s unafraid to fight like hell to make sure America’s promise will be there for everyone, who will make sure that no matter where you live in America or where your family came from in the world, you have a path to opportunity, too,” says Castro.

Castro’s instant and incessant gushing over Warren, who just days earlier was a rival in his bid for the 2020 Democrat presidential nomination, is raising speculation by some national publications and commentators that he has his eyes on the No. 2 spot, should Warren ultimately win the Democrat nomination.

It makes sense. Castro, who currently holds no elected or appointed position, would seemingly be an ideal running mate for Warren in a Democrat party obsessed with identity politics. They are also both ideologically aligned in their embrace of far-left issues, such as socialized healthcare, “free” college tuition, and universal childcare.

Those positions have allowed Warren to steadily rise into the top tier of Democrat presidential candidates, capturing much of the Democrat electorate that has moved farther and farther to the extreme left during the Trump presidency.

Current polls show Warren battling former Vice President Joe Biden and Sen. Bernie Sanders for the lead in early contests in Iowa, New Hampshire, and South Carolina.

Castro, on the other hand, never took off in the polls and failed to qualify for a November Democrat debate.

The first votes in the Democrat nomination will take place on February 3 during the Iowa caucuses.

Brandon Waltens

Brandon serves as the Senior Editor for Texas Scorecard. After managing successful campaigns for top conservative legislators and serving as a Chief of Staff in the Texas Capitol, Brandon moved outside the dome in order to shine a spotlight on conservative victories and establishment corruption in Austin. @bwaltens