Last month they escalated a low-intensity conflict with those they deem to be trespassers by barring the way with plastic tape and hiring private security guards, whom the Potsdam police soon removed.
And in February 2003, the U.S. Department of Homeland Security advised Americans to stock up on duct tape and plastic sheeting so that they could seal their homes in the event of a chemical or biological attack.
Last week, for example, it broadcast a tape that appeared to show two creepy Russian security men trying to intimidate a witness in a controversial spy trial.