Go back and check how many RINOs Reagan endorsed over the years. Remember his 11th commandment? That doesn’t seem to carry much weight anymore.
Palin isn't Ronald Reagan. She is attractive, speaks well, and has a role to play in the Republican Party. But her role is as a commentator, speaker, writer, and advisor. She doesn't belong in public office outside of Alaska. And at this point, she is not very popular in her home state of Alaska.