GamePolitics.com reports that Dennis McCauley, longtime overlord of that site and tireless fighter for free speech protection for the games industry, is stepping down as of today to pursue another opportunity. McCauley was also a freelance journalist for several more traditional outlets, but has indicated that he will be leaving the profession of journalism entirely. GamePolitics is owned by the ECA and as such won’t be shuttered; we’re expecting the announcement of a new editor …