I think that a Ron Paul campaign could help Palin by positioning her as the moderate between the “kook right” and RINO left of the Republican party. If Paul eventually withdrew, he could throw his support behind Palin as a payback for her early endorsement of Rand and promise of Treasury Secretary appointment.
I think Ron Paul would be ill-advised to run for President yet again. Bad idea... he’s better utilized right where he’ll be soon, overseeing the Fed. Maybe later on he can be on Palin’s cabinet. SecTrez, mebbe?