Key facts
- Republican incumbents Ken Calvert and Young Kim will face each other in a California House race.
- The district was designed as a "Republican vote sink" following redistricting.
- Both representatives have spent millions of dollars on negative campaigning against each other.
- President Donald Trump has not endorsed in the race.
Republican incumbents Ken Calvert and Young Kim will face each other in a significant political contest for one of California's few safely red House seats. The race is a result of redistricting that created a "Republican vote sink," forcing the two GOP lawmakers into a bruising intraparty battle. Both representatives have poured millions of dollars into accusing one another of insufficient loyalty to President Donald Trump, who has not endorsed a candidate in the race. The continuation of this fight is expected to drain millions more from Republican donors as it plays out in California's expensive media markets.