On Friday’s broadcast of CNN’s “Don Lemon Tonight,” Rep. Sheila Jackson Lee (D-TX) argued that it has been proven that if a shooter “has weapons of war, and has the unbelievable automatic weapon,” then a law-abiding citizen with a gun responding “doesn’t work.” Jackson Lee said, “We have no universal background checks here in the United States or Texas. And so, right in my district, in the NRA convention, they were selling guns without background checks at the private gun shows. They don’t care about domestic abuse. They don’t care about intervention on violence, no laws. And they don’t have...