Advocates say Massachusetts' latest gun control law is a “broad modernization” of the state's gun-safety system, while critics say it turns gun owners who aren’t harming anyone into criminals.

Connecticut failed to show "that the statute is consistent with our nation's history of firearms regulation," Dooley said.

Amid all the heated, emotional advocacy of gun control, have you ever heard even one person present convincing hard evidence that tighter gun control laws have, in fact, reduced murders? Think about ...