An NRA billboard in Hendersonville, Tenn., attacks state Rep. Debra Maggart. The group has had a falling out with Republican lawmakers in Tennessee over a bill seeking to guarantee workers the right to store their guns in their cars while at work. (Associated Press)

An NRA billboard in Hendersonville, Tenn., attacks state Rep. Debra Maggart. The group has had a falling out with Republican lawmakers in Tennessee over a bill seeking to guarantee workers the right to store their guns in their cars while at work. (Associated Press)