Hundreds of thousands of Americans in big cities have been stopped on the street by police using a law-enforcement practice called stop-and-frisk that alarms civil libertarians but is credited by authorities with 'helping reduce crime.' Police in major U.S. cities stop and question more than a million people each year -- a sharply higher number than just a few years ago. Most are black and Hispanic men. Many are frisked, and nearly all are innocent of any crime, according to figures gathered by The Associated Press.
What if the system people keep warning about isn’t some future plan?What if it’s already here — being built in plain sight through defense contracts, digital...