September 20, 2013 1:44 pm San Diego Supt. Explains Common Core San Diego Superintendent Cindy Marten explains the need for Common Core in schools when she visits NBC 7 News Today with Marianne Kushi. US & World Videos 3:30 US Coast Guard crew helps save the Oceanside Pier 1:01 5 years since deadly Poway synagogue shooting 8:57 5 years since deadly Poway synagogue shooting | San Diego News Daily 2:53 Beach closure from Surfrider Way to Tyson Street in effect due to Oceanside Pier fire 2:41 San Diego lifeguards describe fighting Oceanside Pier fire