This week, two shooters opened fire on a workplace holiday party in San Bernardino, California, killing 14 people and wounding at least 21. Not much is known about the shooters yet, other than the fact that all four of their weapons were legally purchased, according to the New York Times. What we do know is that the events in San Bernardino are far from unique: Statistics show that there’s a mass shooting, defined as one in in which at least four people died, almost every day in America. To most people watching, this frequency suggests that, with Congress gridlocked, mass shootings ...