Robert Mason is Reader in History at the University of Edinburgh. He is the author of Richard Nixon and the Quest for a New Majority (Chapel Hill: University of North Carolina Press, 2004) and The Republican Party and American Politics from Hoover to Reagan (New York: Cambridge University Press, 2012). With Iwan Morgan, he is co-editor of Seeking a New Majority: The Republican Party and American Politics, 1960-1980 (Nashville, Tenn.: Vanderbilt University Press, 2013).