July 20, 2011 5:04 pm NBC Bay Area Investigation Reveals Hundreds of Expired Elevator Permits An NBC Bay Area News investigation shows why hundreds of elevators are running with expired permits. US & World Videos 2:00 ‘Kayak-tivists' take Chevron protest out onto the Bay by Richmond 2:29 San Jose celebrates Cinco de Mayo with a pair of parades and festivals 0:22 Police investigating double stabbing in San Jose 3:07 Cinthia's forecast: Sunny, breezy, warming ahead 1:35 AANHPI celebrations in San Francisco's Japantown, Chinatown