Dear Capt. Kelly, Houston, we have a problem: Your story makes no sense. You’re against rifles like the semiautomatic AR-15, which look like weapons of war, when you know full well the military doesn’t use them, but instead uses the select fire-capable M16. Yet you go to a dealer to buy a .45, a sidearm, which was actually, in your words, “designed for the military.” I’m not following your logic here. You say as you were leaving the gun store, you noticed a used AR-15 and bought that, too. You then complain about your background check, and use that to...