DOVER, Tenn. - With black bows attached to the front of every school bus, all Stewart County drivers ran their usual routes Thursday morning, one day after a beloved co-worker was shot and killed while picking up students. The drivers completed their routes without incident, said transportation director Francis Carson, but some were worried about getting back behind the wheel. "I have small children, and they have been asking: 'Do you have to do this?' " substitute bus driver Michele Etherton said. The black bows had the number "22" on them, a reminder of the bus Joyce Gregory drove for...