And while there is no question that procedural requirements like background checks are permissible, that does not mean that the government may place an undue burden on the right of law-abiding citizens to protect themselves.

WSJ: David Rivkin and Andrew Grossman: Gun Control and the Constitution

Though it is not clear why Santos agreed to these negotiations given that terrorist organizations like the FARC are not known for their trust- worthiness in abiding by treaties, there are a number of possibilities as to why these negotiations are taking place and the kinds of outcomes that may result.

CENTERFORSECURITYPOLICY: The consequences of Colombia's negotiations with FARC