Mr. King’s frustration with gun violence and his feeling of helplessness for our country are not unique, but they are born more from exhaustion than reality. I reject his view that “there is no solution to the gun problem.”

Could enhanced firearm research have led to policies or laws that might have prevented active shooting incidents at Robb Elementary, Covenant Christian, and Michigan State University? Valuable research is part of the solution as well as the role of the courts. The U.S. Supreme Court announced Friday that it will hear United States v. Rahimi, a case weighing the firearms rights of people under domestic violence restraining orders.