David Greenberg

David Greenberg is a professor of history at Rutgers University and the author of "Nixon’s Shadow" and "Calvin Coolidge." In 2010-11, he is a fellow at the Woodrow Wilson International Center for Scholars in Washington.

Former Alaska Governor and 2008 Republican vice presidential candidate Palin speaks during the National Rifle Association's 139th annual meeting in Charlotte
What's the rush? David Greenberg
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