“ BIDEN won both of those districts in 2020 - running up a 13-point margin in Valadao’s seat. The national relevance: “A loss by either would be a disaster for Republicans,” as Dems see the battleground seats as potential pickup opportunities, Lara Korte, Alex Nieves and Ally Mutnick write in their curtain-raiser this morning. YOUNG KIM and DAVID VALADAO are facing close primaries in swing districts with pro-Trump candidates nipping at their heels. The big question: how large DONALD TRUMP looms in the party. What should you be watching for? The day’s biggest news will likely come from the Golden State, where voters are poised to make major statements about the directions of their respective parties. Today, seven states hold primaries: Iowa, Mississippi, Montana, New Jersey, New Mexico, South Dakota and California. | Richard Shotwell/Invision/AP Photo DRIVING THE DAY Karen Bass, who's advocated for more community-based crime prevention programs, and Rick Caruso, who has proposed posting an additional 1,500 law enforcement officers on the street. The Los Angeles mayoral primary is all but certain to set up a November general election between Rep.