Federal Air Marshals are furious that they have been tasked to follow thousands of Americans who are not on any watch-list and not suspected of any crime; they shadow these people (who are selected for surveillance on the basis of flimsy criteria like once having visited Turkey) and send minute-by-minute updates to the TSA, noting whether their targets are sleeping, using more than one phone, waiting until the last minute to board their planes, observing boarding areas from a distance, and other innocuous behaviors. (more…)