Julián Castro. Photo: Ethan Miller/Getty Images
2020 presidential hopeful Julián Castro announced on Thursday he will support his campaign staff's decision to unionize after they joined with the Campaign Workers Guild, reports NBC.
The big picture: Democratic presidential candidates have been vying for the support of union groups in the crowded 2020 field. Many are in turn promoting their campaign staffs to organize within formal unions. Both former Vice President Joe Biden also expressed support for such action, while Sen. Bernie Sanders (I-Vt.) became the first known presidential candidate to see his campaign staff unionize, per AP.
Go deeper: Julián Castro: Everything you need to know about the 2020 candidate