Sanders' polices would become moderate as president Krugman says

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Bernie Sanders’ policies, which some people see as radical, would become more moderate if he became president, Nobel laureate and author of the new book ‘Arguing With Zombies,’ Paul Krugman, tells Joy Reid. Krugman adds, ‘The idea that a Biden presidency would make no difference [compared to Trump]... you've got to be completely blinkered to say that.’