President Barack Obama, right, walks over to greet Taya Kyle, left, widow of U.S. Navy SEAL Chris Kyle, during a commercial break at a CNN televised town hall meeting at George Mason University in Fairfax, Va., Thursday, Jan. 7, 2016. Obama's proposals to tighten gun controls rules may not accomplish his goal of keeping guns out of the hands of would-be criminals and those who aren't legally allowed to buy a weapon. In short, that’s because the conditions he is changing by executive action are murkier than he made them out to be. (AP Photo/Pablo Martinez Monsivais)