Who will Obama's strong supporters back for primary nomination?

[Proud Liberal Dem]

57. Hard to say until we know for sure who's running

The strongest possible contender for 2016 would probably be Hillary and it's likely that she would either steamroll the competition and/or clear the field but she hasn't committed to running, so, hopefully, party leaders have some other strong contenders in the wings. I might take a look at Dean if he runs again. I really like Wesley Clark but nobody paid any attention to him in 2004 and he doesn't have a lot of name recognition. Basically, I'm open-minded. I'll support whoever I think stands the best chance for winning. I'd like to see a woman be elected sometime in my lifetime. We've already broken one major barrier. We will surely break others as we go along.
I don't know who might be running on the Republican side but if 2016 is anything like 2012, I'd say that their bench is pretty weak and whomever runs in 2016 is going to face the same dilemma that they faced in 2012: Simultaneously appealing to the far-right base to win the primary and moving and holding to the center to win the actual election. Are there any Republicans that we know might be interested that could even manage such a feat? I think that I heard that Santorum could be a strong contender in 2016 and if that's case, we'd have to be in pretty bad shape to lose to HIM!