( CNN ) -- Mark Glaze : Gun murders , mass shootings force Washington to rethink gun policy . Glaze : The NRA is a powerful lobby that has been able to block any meaningful reform of the nation's firearms laws for decades. U.S. has more guns than any other nation and towering gun murder rate , he says . Glaze : Mainstream gun owners , 74 % of NRA members want background checks .
Mark Glaze : Gun murders , mass shootings force Washington to rethink gun policy . Glaze : The NRA is a powerful lobby that has been able to block any meaningful reform of the nation's firearms laws for decades. U.S. has more guns than any other nation and towering gun murder rate , he says . Glaze : Mainstream gun owners , 74 % of NRA members want background checks .