April 11, 2012 7:26 pm NBC 7 Investigates Unsanitary Restaurant Play Areas Dr. Erin Carr Jordan talks to NBC 7’s Christine Haas about children’s play areas in San Diego restaurants and just how unsanitary and dirty some of them might be. US & World Videos 2:41 San Diego lifeguards describe fighting Oceanside Pier fire 2:32 Students and staff confused after the University of Saint Katherine closes abruptly 2:58 NASA researchers aim to enhance safety, flight operations in wildland firefighting 2:47 San Diego welding students recreate replica of historic Black Family Statues 4:29 Escondido woman warned husband may be a killer: Dateline