Did gun law loopholes enable Charleston and Chattanooga?

Story highlights

  • Shootings kill the innocent in Charleston and Chattanooga -- less than a month apart
  • Shannon Watts: Laws need to be strengthened to make background checks more pervasive, effective

Shannon Watts is the founder of Moms Demand Action for Gun Sense in America, an organization seeking to build support for gun reforms. The opinions expressed in this commentary are hers.