Is it possible that Romney might not run? The polling consensus of the polling data suggests to me he might not. He struggles nationally and doesn't seem to have a lead in states other than Mass. Having said that, I suspect Mitt runs, but if he doesn't, does that leave the door open for Jeb? Does that increase Palin's chances? Does Pence or Thune benefit? If Huck and Mitt hypothetically pass on the race, could you imagine a Sarah vs. Newt race? Barf! That's where Pence and Thune could make huge strides.
No. There is no reason for him not to unless he's having an affair as we speak. He has already built his team, strategy, and money. Polls mean nothing, we all know that, especially this far out. YOu'd be a complete idiot to decide a run based on some state wide polling in caucus states none the less 2 years out for the primaries. It is impossible that he doesn't run.