Lying in states: fibbing politicians

Lies and politics have always come as a pair, but the untruths keep getting bigger and more frequent; our correspondent digs into why. We speak with an adventurer who fought off the murderous boredom of a whole Antarctic winter with little more than books. And, the benefits and risks of home genetic-testing kits. For full access to print, digital and audio editions of The Economist, subscribe here www.economist.com/radiooffer

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