Yes, Palin has participated in several Tea Parties along the route of previous Tea Party Express tours.
I'm sure she has been invited to hit as many of the venues on this tour, as well as the debate.
We shall see.
She can get places pretty fast on a jet.
This is the plane she flew on into Reno when she came to a TPX Tea Party there last year:
Dr Zoo, is that one of your planes from the Institute of Phenomonology?
Onyx, I love that plane LOL!