02/27/2009 05:12 am ET | Updated May 25, 2011

Obama's Regulation Czar Nominee Sunstein Faces Scrutiny

Harvard Law School professor Cass R. Sunstein, a widely admired intellectual and friend of President Obama, has spent years delving into the obscure issues of regulatory law and behavioral economics.

Though he is generally described as left of center, Sunstein's academic interests in regulation have led him to raise questions about the constitutionality of liberal favorites such as workplace safety laws and the Clean Air Act. He has embraced a controversial "senior death discount" that calculates the lives of younger people as having a greater value than those of the elderly.

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