The senate hopeful, fresh off an underwhelming primary win, talked about rejecting PAC money at SXSW.
Digging into the U.S. Senate hopeful's six hour Spotify playlist.
The El Paso congressman is waging a long-shot campaign to prove a Democrat can win in Texas.
Castro’s decision leaves Beto O’Rourke as the lone Democrat in the U.S. Senate race.
An interview with the Democrat challenging Ted Cruz.
What do you get when a Democratic congressman from El Paso goes on a road trip with a Republican from San Antonio? An internet sensation.