Author: Carbs have led to obese America

Thursday, November 13, 2008 | 9:09 p.m. CST; updated 10:47 a.m. CST, Friday, November 14, 2008

A slew of scientific evidence, more than 50 years of it, allows you to take out the steak knife and eat up, according to author and science journalist Gary Taubes. But put those potato chips away.

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