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More than half of all US Congressmen are millionaires. How does this affect US democracy? Plus, facial recognition software that can let a total stranger with a cameraphone find out all about you without your knowledge. Should you be worried? And, what should you do with a herd of cows when the Polar Vortex rolls into town? With contributions from today's guest, Satyajit Das, author of Extreme Money, Masters of the Universe and the Cult of Risk.