California August 17, 2023 10:19 am Evidence of black bear's presence atop Half Dome in Yosemite, park says It appears humans aren’t the only ones making the trek to the top of Half Dome in Yosemite National Park. US & World Videos 0:18 Firefighters battle Glenhaven Fire in Lake County 0:38 California lawmakers advance bill that aims to keep gas prices from spiking 3:12 Pelosi calls for de-escalation after Iran fires missiles into Israel 30:12 Watch: Giants introduce Buster Posey as new president of baseball operations 3:12 Excessive heat warning in effect for parts of the Bay Area