Julián Castro has exited the 2020 Democratic primary, with weeks to go until votes begin.
He had trouble getting name recognition, in part thanks to tough DNC debate eligibility requirements.
Castro instantly becomes a sought-after endorsement and rockets to the top of any Vice Presidential contender list.
His supporters like Sen. Elizabeth Warren and Sen. Cory Booker.
A third of Sen. Amy Klobuchar's supporters like Castro as well as a quarter of Mayor Pete Buttigieg's.
Julián Castro, the...
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