A Pentagon document shows that the U.S. army is monitoring and collecting information on anti-war activists across the United States, NBC reported. The network obtained a classified Pentagon document which lists four dozen anti-war meetings or demonstrations that took place in the U.S. over a 10-month period. The document also included anti-nuclear protests staged in Nebraska on the 50th anniversary of the U.S. nuclear bombing of Nagasaki. The Pentagon describes all of these events as threats, says William Arkin, the former Army intelligence officer, who obtained the secret documents. According to NBC, the document says that the U.S. military is...