July 24, 2015 7:30 pm Sparks Fly Between Independent Voter Atty., GOP Chair A lot of sparks flew in a heated debate during a recording session for Sunday’s edition of “Politically Speaking.” NBC 7’s Gene Cubbison sets the stage. US & World Videos 2:32 How water pollution is changing how Imperial Beach lifeguards protect people 2:56 Pro-Palestinian protesters move to downtown jail 3:03 San Diego photographer remembers Callum Robinson, surfer found in Baja 2:41 Friends and family remember 3 surfers who disappeared in Mexico 2:47 Jewish community gathers for Holocaust commemoration in La Jolla