WASHINGTON, Oct. 5 (UPI) -- More than six years after the Sept. 11, 2001, terrorist attacks against the World Trade Center and the Pentagon, America is a country with more physical security to defend against terrorism. Much of that has been focused on preventing hijackings so that airplanes cannot be used as missiles as they were on Sept. 11. Most recently, Department of Homeland Security officials announced that remote-control toys may be subject to additional security screening because the government “is aware that remote control toys can be used to initiate devices used in terrorist attacks.” Buildings have also been...