Weren't those just rumors? AFAIK, Steve Schmidt, McCain's guy, was the leaker. He never worked for Romney. He hated Palin so much he felt compelled to stomp her even if it hurt McCain.
“He hated Palin so much he felt compelled to stomp her even if it hurt McCain.”
Guy was a total a$$hole. No matter what, you never, NEVER do anything to hurt your candidate.