'Coz that's exactly what Democrats ARE, as I understood it... N'est-ce pas?
I bet none[*] of the rest of the Democratic candidates are much different if you look at 'em a little harder. It's just that so far, Clinton is the one everybody has been looking the hardest at, I think.
[*]: OK, except of course for Kuchinic -- he seems to be a genuine folksy whack-job.