Once she was his intern; now she's his opponent. But that's not the only thing that makes the battle between Jessica Cisneros and Rep. Henry Cuellar in south Texas among the most intriguing of May 24's Democratic primaries.

When Cisneros first challenged Cueller in 2020, she was a 26-year old immigration lawyer, and the race was heralded as a contest between progressive and moderate, young and old. The progressive movement positioned Cisneros in the vein of Rep.