By | July 06 2012 12:22 PM

Judge Richard Posner has been one of nation's most renowned conservative legal thinkers since President Ronald Reagan appointed him to the 7th U.S. Court of Appeals in 1981. But, in a candid interview with NPR on Friday, Posner was unafraid to step away from partisan talking points to voice his irritation with today's Republican Party, even saying a real deterioration in conservative thinking has divided him from a base which he described as a crowd of lunatics.