08/25/2010 02:33 pm ET Updated May 25, 2011

Michael Gerson: Tea Party Toxic For GOP

In the normal course of events, political movements begin as intellectual arguments, often conducted for years in serious books and journals. To study the Tea Party movement, future scholars will sift through the collected tweets of Sarah Palin. Without a history of clarifying, refining debates, Republicans need to ask three questions of candidates rising on the Tea Party wave:

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