A new video produced in association with the Department of Homeland Security and the FBI and narrated by former Denver Broncos quarterback John Elway urges people to report suspicious activity that could constitute terrorism, behavior that includes buying gold, owning guns, using a watch or binoculars, donating to charity, and all manner of mundane things. Using a watch, a pair of binoculars, or donating to a charity are all potential Al-Qaeda behavior, the video implies. Do you use e mail or the telephone to find out information about things? You’re probably a terrorist, according to the DHS, which classifies such...