How can you establish an empirical, causal connection between campaign contributions and candidate electability. One could say that Huntsman receives no money because he is not popular, OR that he is not popular because he receives no money from PACs and special interest groups. This is my problem with the social sciences AS A WHOLE. the only two I can tolerate are econometrics (not micro or macro) and Psychology. The others don't seem to establlish much of a conclusion. And econ is rapdily losing any of the meager credibility it had before