January 11, 2012 7:40 pm Top 12 Stories to Watch in 2012: Part 1 In this week’s San Diego Explained, we start by counting down the first six. US & World Videos 2:19 Triple sweet graduation for Bonita Vista High School sisters 3:32 Parents of surfers killed in Mexico remember their sons 0:58 Philanthropist Joan Jacobs dies at 91 year old 2:32 How water pollution is changing how Imperial Beach lifeguards protect people 2:56 Pro-Palestinian protesters move to downtown jail