Ever since the Tucson shooting, MSNBC’s Chris Matthews has been on a tirade accusing conservatives of creating a climate of hate that led to an attempt on Democratic Congresswoman Gabrielle Giffords’ life. Yet on Wednesday’s Hardball, Matthews himself insulted GOP Congresswoman Michelle Bachmann, as he blared that she was: “a screamer, and in many cases pretty close to a nut case.”What was the great affront from the Minnesota Congresswoman that caused Matthews to spew such vitriol? She dared to openly root for a Republican presidential victory in 2012.

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