Policing: The Dallas County Sheriff's Office gets an MRAP tactical military vehicle, used for counterinsurgency fighting in Iraq, as law enforcement becomes a collection of SWAT teams pursuing not-always-guilty Americans. In early August, a SWAT team broke through the gates of a 3.5-acre farm in Arlington, Texas, that promotes a sustainable lifestyle and did a 10-hour search of the property. Residents were handcuffed and held at gunpoint as police looked for nonexistent marijuana plants and various city code violations. As the owners watched, 10 tons of their private property was hauled off in trucks — dangerous items such as blackberry...