 His mathematical homepage includes a few anti-war statements, and his political home page includes a long essay about progressive ideology.He has worked as an organizer for the Nashville Peace Coalition, protesting the wars in Iraq and Afghanistan.At a meeting for the living wage movement on Vanderbilt's campus, he remarked that it is hard to bring up politics in a non-political environment, and expressed that people did not talk much about politics in the mathematics department at Vanderbilt.