Even liberal Justices seemed to agree in today's Supreme Court oral arguments that the Second Amendment must prevent cities and states from passing certain gun regulations. The Supreme Court in 2008 ruled that the Second Amendment protects an individual's right to bear firearms, but that ruling applied to only the federal government, and today's case, McDonald v. Chicago, raised the question of whether states as well are prevented from restricting access to guns. The... (GunPolicy.org)