Paul Krugman Slams CNBC Just Minutes After Appearing On It

Paul Krugman appeared on CNBC's "Squawk Box" earlier this morning, ostensibly to promote his new book, "End This Depression Now!" There didn't end up being a lot of promotion. The appearance quickly devolved into a debate over "what number" would be an acceptable debt level, and host Joe Kiernan called Krugman a "unicorn."

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