San Diego December 10, 2018 5:26 pm When Is It Time to Replace Holiday Lights Holiday lights tend to illuminate San Diego this time of the year, but how old can they be and still be safe? NBC 7’s Consumer Bob has more. US & World Videos 2:45 La Jolla Concours d'Elegance classic race cars 1:39 Troops Endure Hyper-Realistic Training 2:07 New study links consuming red meat with dementia 2:05 Police find, return dozens of abandoned Amazon packages 0:28 A Vermont state trooper plunges into icy pond to rescue 8-year-old girl