This article has been revised to reflect a pending correction.
*Clarification: The reference to the tweet has been revised to reflect questions about it.
* This post has been revised to reflect that the U.N. relies on the World Bank's metric for "complete poverty".
The above figure caption has been revised to reflect that Lindzen doesn't necessarily deny smoking causes cancer, but he is 'skeptical' about the strength of the link.
This article has been revised to reflect the following correction: Correction: December 8, 2010 An earlier version of this article misspelled the name of Gemma Lindfield.
This blog post has been revised to reflect the following correction: Correction: May 10 , 2012This post originally stated that Mr. Lugar voted for the stimulus.
This blog post has been revised to reflect the following correction: Correction: July 25 , 2012A previous version of this post referred to "John Sanchez of CNN".
This article has been revised to reflect the following correction: Correction: December 1, 2010 An earlier version of this article misspelled David Vladeck's name as Vladek.
This article has been revised to reflect the following correction: Correction: October 8, 2010 An earlier version of this article misidentified which state Nelle Bauer lives in.
This blog post has been revised to reflect the following correction: Correction: January 29 , 2013The photo caption on an earlier of this post included an inaccurate timestamp.
This blog post has been revised to reflect the following correction: Correction: April 13, 2012 This post originally misstated the governor of Arizona's first name.
