Sarah Palin "going rogue"

Excerpts from the most-viewed article on CNN today:

Several McCain advisers have suggested that they have become increasingly frustrated with what one aide described as Palin "going rogue."

McCain sources say Palin has gone off-message several times, and they privately wonder whether the incidents were deliberate. They cited an instance in which she labeled robocalls... "irritating" even as the campaign defended their use. Also, they pointed to her telling reporters she disagreed with the campaign's decision to pull out of Michigan...

"She is a diva. She takes no advice from anyone," said this McCain adviser. "She does not have any relationships of trust with any of us, her family or anyone else. Also, she is playing for her own future and sees herself as the next leader of the party..."

"Her lack of fundamental understanding of some key issues was dramatic," said another McCain source with direct knowledge of the process to prepare Palin after she was picked. The source said it was probably the "hardest" to get her "up to speed than any candidate in history."

"She's no longer playing for 2008; she's playing 2012," Democratic pollster Peter Hart said. "And the difficulty is, when she went on 'Saturday Night Live,' she became a reinforcement of her caricature..."