Just surfed over to http://www.FrontPageMagazine.com
See, the AIM staffer, "Fourth Estate...Fifth Column..." piece there, fwiw. The author used to write a newsletter I'd read at the CSUN library, "Pink Sheet On the Left." That newsletter was started by Phillip David Luce, if memory serves, a very early member of PLP when it was still called the Progressive Labor Movement. Mid-60's he went far right.
Other notable pieces there in Horowitzlandia are Matt Welch from the National Post on Chomsky and Victor D. Hansen from National Review on Jenin. Michael Pugliese