Rig--

McCain was, you might note, a part of Feingold-McCain. And has been pilloried by the Right for it--regardless of how effective you deem it has been. (By the way there are plenty of liberal-leaning 527 groups too. So you might want to delete that from your list of evidence of the All-Powerful Right-Wing Conspiracy.)

But he believes in standing up for something if he believes it's right--regardless of popularity.

Just slightly different from looking for shadowy villains everywhere to explain problems you might be having.

You might even try it yourself someday.