Palin wasn’t the first governor to deal with a determined opposition, contrary to what her whining may have led you to believe.
If she can’t handle being the governor of the 2nd smallest sate in population, what makes you honestly think she can handle being President of the greatest country in the world. Will she quit that job too because she can’t handle the pressure?
“can’t handle” makes it sound like there was an issue of capacity to do the job. That assertion is frivolous, specious, transparent, and intellectually dishonest on your part. Feel free to lie to yourself in an effort to assuage guilty feelings about your candidate of choice, but don’t expect others here to give you any quarter for your self delusions.