Mark Blumenthal evaluates support for Nader and Barr:
I believe that many voters are telling pollsters they support Barr or Nader now, especially when offered the four-way choice, because they are not entirely sold on Obama or McCain and would rather grab for the "independent" as a way to give the interviewer a satisfactory answer...
This article available online at:
http://www.theatlantic.com/daily-dish/archive/2008/07/non-spoilers/214244/
