I want the police to be better armed than the bad guys, but what exactly does that mean today? Apparently it means the Pentagon and Department of Homeland Security equip even the tiniest rural police departments with massive military vehicles, body armor and grenade launchers. The equipment is surplus from the long wars we fought in Iraq and Afghanistan. To a hammer, everything resembles a nail. SWAT (Special Weapons and Tactics) teams were once used only in emergencies such as riots or robberies where hostages were taken. But today there are more than 50,000 "no-knock raids" a year. It's not...