She is a threat to their tried and true system of nominating the next guaranteed loser who has been waiting the longest.
The kind of Republicans taking potshots at Sarah are those who will be content to have as an epitaph "Ran unsuccessfully for Preident."
![](http://i9.photobucket.com/albums/a91/123jt/varvel_republican_evolution.gif)
Like I said she not part of the good ol boys system.