[Dagnabitt]

Palin's political shelf life is pretty much up. She may again play coy like in 2012, but this time fewer people will care one way or another about her antics up to the filing deadline, when she again goes away.

At this point, Cruz remains the correct answer. (and NBC stands for NoBody Cares)

[SatinDoll]

If her shelf life was used up, as you so coyly put it, then her support for candidates this past November would have been null. It wasn’t null but vibrant.

This means there are a number of senators and congressmen/women who owe her their support when she runs in 2016.