WASHINGTON - The Pentagon is considering shipping to Iraq a weapon that shoots an invisible column of energy to cause intolerable pain without killing its target. Known as the Active Denial System, the weapon was tested a third and final time in Florida last week and could be deployed if gets Pentagon approval, according to Department of Defense spokesman Lt. Col. Brian Maka. The weapon has been touted as a crowd-control device because it would allow U.S. forces to stop, deter and turn back an advancing adversary without applying deadly force. Critics say the weapon would cause more harm than...