Gun control works, but you have to be smart about it. That's the takeaway from a major new analysis out this month in the journal Epidemiologic Reviews. Columbia University's Julian Santaella-Tenorio and a team of researchers pored over the results of 130 studies on gun control legislation passed in 10 different countries to find out which policy interventions worked, which ones didn't and on what issues the jury was still out. Big caveat up front: Sussing out cause... (GunPolicy.org)