It's not that the GOP enjoys criticizing this president. It's more like breathing -- you don't "enjoy" it, it's just something you find yourself doing over and over again. It's something that keeps you alive.
Palin, who has repeatedly botched the meaning of the First Amendment, had the audacity to school eight of the nine Supreme Court justices, including the very conservative chief justice, on the First Amendment.
Numbers don't lie -- the average American voter has concluded that you could walk through Palin's deepest thoughts and not get your feet wet, that she is basically the Paris Hilton of would-be presidential candidates.