Over 100 people died in the US today in automobile accidents, and thousands more were injured. The carnage every single day is ten times greater than what happened in Tucson.
The only logical solution is to ban cars, and make America a safer place. They should also ban sports, bicycles, skateboards, steps, swimming pools, airplanes and all other activities where people get hurt.
The goal is to make America a perfectly safe and equitable place.