Gov. Gavin Newsom is scrambling to fill a suddenly vacant House seat after Eric Swalwell abruptly resigned amid explosive sexual assault allegations. Newsom on Tuesday ordered a special election for Aug. 18 to replace the embattled Democrat, whose political career came crashing down after the accusations torpedoed his run for governor and forced him out of Congress. The timing is a real mess. Swalwell’s resignation landed too late to merge the race with California’s June 2 primary , triggering