Yea this will definitely be occurring, Zorn has said in interviews/pressers, that he really believes that Carter and Taylor can create some mismatches by switching positions in specific situations. He also made another good point that it will be tough for teams to prepare for the Carter/Taylor duo, if they don't know what side the guys are lining up on. I personally think it's a great idea, and loved seeing the intimidation Jason Taylor brings, drawing 2 false starts in his first game.
Here's a link to an article that explains the situation much better than I can.
http://www.redskins.com/news/newsDetail.jsp?id=37646