When you endorse people, you indicate that you agree with their politics. Sorry you didn’t know that.
But then you already know this, but you keep blathering the same nonsense for some unknown reason.
Since the visit last winter when she did endorse McCain, she has not appeared with him again. She has been to AZ and appeared with Jan Brewer, but not with McCain.
Endorsements do not necessarily indicate that you agree with someone's politics. An endorsement may mean you agree with their current opponent(s) less. Or it may be repayment of a debt.
But then you already know this, ...