Interesting article about Horowitz, Chomsky and the neo-cons. http://www.antiwar.com/orig/carson1.html
Joseph Stromberg mentioned in the above is a Libertarian who pays attn. to left theory, has an article in a recent, "Critical Review, " on neo-marxist state theory. On antiwar.com he has written on William A. Williams,Gabriel Kolko and Corporate Liberalism. (Useful critique of that approach by Fred Block in his book of essays, http://www.temple.edu/tempress/titles/452_reg_print.html Michael Pugliese