The number of Americans asserting their right to carry concealed guns has exploded – from less than a million a few decades ago to as many as 11 million now. There's evidence that gun prevalence can deter crime, but preventable tragedies perturb.
From the shot heard round the world to the old West to the spread of modern-day "concealed carry" rights, firearms are embedded in American culture.
Despite gun control efforts in Congress in the wake of the Arizona shooting, it's unlikely that America will see more gun control laws. In fact, the opposite may happen, at least in Arizona.
A gunman fires several shots, hitting no one, before killing himself in UT shooting. The Texas legislature is expected to consider a law next session allowing students to carry concealed weapons on campus. The Austin campus has been at the center of the debate.
Super Bowl XLIII will put on display how football is being redefined in front of fans' eyes.