It seems safe to say that almost everyone reading this post has already made up his or her mind on which presidential candidate they’ll vote for in the November election. After all, this is a political blog, and undecided voters, I would think, tend not to read political blogs.
But there’s another angle to all of this that might not occur to the casual observer: Even among those voters who tell pollsters that they prefer one presidential candidate over the other, there are many who are less than firmly committed.
Consider, for example, the latest Associated Press poll. Forty-seven percent ...