A Trump-endorsed Republican who fought hard against the Biden-era border crisis and its impact on San Diego is leading the race for California’s 48th Congressional District. San Diego County District 5 Supervisor Jim Desmond is well ahead in polls in the state’s June 2 jungle primary election. A KGTV-TV and San Diego Union-Tribune poll conducted from May 8 to 14 shows Desmond with 29 percent of the vote—a 19-point lead—over Kevin O’Neil with 10 percent, the only other Republican candidate in the race. Democrats Marni von Wilpert, a San Diego city councilor backed by labor unions, and Ammar Campa-Najjar, a former Obama administration staffer, are tied at 9 percent, while Brandon Riker, an investor endorsed by Congressman Ro Khanna, has 6 percent support, according to the poll....