Proposition 50 has created a handful of key races where Democrats will choose candidates to pit against vulnerable Republican incumbents. Generational challenges have infused other contests.

A House lawmaker from deep-blue California is leaving the GOP effective immediately, cutting Republicans' slim margin even thinner, his office confirmed to Fox News Digital on Monday. Rep. Kevin Kiley, I-Calif., had already announced his intention to run ...

Representative Eric Swalwell’s planned resignation from Congress raises the possibility of a special election to fill the remainder of his term in California’s 14th Congressional District. Swalwell, a Democrat, announced he would vacate his seat amid ...