January 18, 2012 7:10 pm 49er Fan Raps New 49er Anthem San Francisco-born rapper Bailey is singled out by Niners owner Jed York. 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