Artificial intelligence is too powerful to be left to Facebook, Amazon and other tech giants

Facebook CEO Mark Zuckerberg's testimony before Congress made one thing clear: the government needs an Federal Artificial Intelligence Agency. Facebook FB, -0.26% is a canary in the proverbial AI coal mine. AI is going to play an enormous role in our lives and in the global economy. It is the key to self-driving cars, the Amazon AMZN, -0.63% Alexa in your home, autonomous trading desks on Wall Street, innovation in medicine, and cyberwar defenses. Technology is rarely good nor evil -- it's all in how humans use it.