Kamala Harris August 7, 2024 4:39 am Kamala Harris and Tim Walz hit the campaign trail Vice President Kamala Harris and Minnesota governor Tim Walz are campaigning in battleground states today. John Cásiz Klemack reports for the NBC4 News at 4 a.m. on Aug. 7, 2024. US & World Videos 0:45 Salmonella cases shut down restaurant in Valencia 1:34 Firefighters injured in Irvine crash were returning from battling Airport Fire 3:21 Eight firefighters injured after rollover crash in Irvine 4:03 Deadly explosions in Lebanon escalate tensions in the Middle East 2:41 West Hollywood valet attacker may be linked to more assaults