Niko and Theo Milonopoulos, 15-year-old twins, are the cofounders of Kidz Voice-LA and ninth-graders at Campbell Hall High School in North Hollywood. Many Los Angeles kids have been saved from gun violence by a decade-old city ordinance that prohibits gun dealers from selling ammunition over the holidays. The holiday ammunition ban, which halts the sale of thousands of bullets from Christmas Day through New Year's Day, is a welcome reprieve in a city where more than... (GunPolicy.org)