September 15, 2011 9:38 pm Local Teacher Raps History Lessons Cajon Valley Middle School teacher Jacob Ruth engages students by rapping history lessons. US & World Videos 0:34 5 people injured after falling from border fence 0:53 San Diego City Council Committee approves San Diego's next police chief 2:29 Family mourns 13-year-old killed in Escondido crash 2:01 No evidence Oceanside Pier fire was arson, officials say 10:00 Small plane crashes into El Cajon neighborhood | San Diego News Daily