August 25, 2009 5:38 pm Attack Could Have Rivaled Columbine: Police Police said a high school drop out had planned for months to kill as many students as possible at Hillsdale High School. US & World Videos 0:26 Kaiser Permanente data breach may have affected millions 1:35 Kari's forecast: Gradual warming trend 2:12 Pro-Palestinian protests continue to grow at Bay Area universities 1:53 Median price of Bay Area home up more than 15% from a year ago 0:42 Southbound I-680 in the East Bay reopens after weekend closure