A bicyclist rides down the street during this year's Bike to Work Day in San Francisco. Events such as this promote biking as a viable form of commuting, but tensions between cyclists and drivers persist. Justin Sullivan/Getty Images hide caption

itoggle caption Justin Sullivan/Getty Images

Tito Jackson, Jermaine Jackson, Jackie Jackson and Randy Jackson attend Michael Jackson's funeral service held at Glendale Forest Lawn Memorial Park on Sept. 3, 2009 in Glendale, Calif. The Jackson Family, Harrison Funk/AP hide caption

itoggle caption The Jackson Family, Harrison Funk/AP