This is an article that Stuart Kaufman and I wrote in Perspectives on Politics about the character and limitations of scholarly activism.
This is a book chapter I wrote for the Oxford Handbook of Contextual Political Analysis, edited by Robert Goodin and Charles Tilly (Oxford University Press, 2006), pp. 490-505.
This is an article I wrote that was published in the Journal of Political Philosophy. It appeared in volume 11 (2003), pp. 223-252.