Republican U.S. Rep. Duncan Hunter's resignation from Congress last month after pleading guilty to a corruption charge unleashed a GOP slugfest over the vacancy in one of the party's few remaining House seats in California.
Most of the action in the 50th District involves two Republican heavyweights: Darrell Issa, who is seeking a return to Congress after leaving his seat in a neighboring district two years ago, and Carl DeMaio, a well-known San Diego radio host and political commentator.
