John Brown Symposium
FILE - In this Dec. 3, 1989 file photo Bernardine Dohrn, former leader of the radical, anti-war movement Weather Underground is escorted by federal authorities after surrendering at Cook County Courthouse in Chicago, Ill. Dohrn is one of the speakers who will participate in a two-day symposium starting Dec. 4, 2009, commemorating the sesquicentennial of abolitionist John Brown's burial at his former homestead just outside this tourist village in northern New York. (AP Photo)
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