Republican U.S. Rep. David Valadao and Democrat Rudy Salas will face each other in November in California's 22nd congressional district, a rematch of last cycle's close contest.
Key Points
Valadao beat Salas by less than 4,000 votes in the previous election
Democrats hold a 16-point advantage over Republicans in registered voters
Pros
Competitive U.S. House district
Impact on determining party control of the chamber