LOS ANGELES (AP) — Another tough U.S. House race is shaping up in Southern California. Orange County Supervisor Michelle Steel announced Thursday that she's challenging first-term Rep. Harley Rouda, whose victory in the coastal 48th District last year helped Democrats retake control of the House. [snip] ...In the neighboring 39th District, Republican Young Kim has announced her candidacy and is hoping to set up a rematch with Democrat Gil Cisneros, who defeated her in 2018. Last month, Orange County prosecutor Ray Gennawey, a Republican, announced his campaign in the county's 45th District, where Democrat Katie Porter defeated Republican Rep. Mimi...