The campaign official said: "The Democrats say that Governor Palin is inexperienced, but she has vast experience in the energy sector. She will be at the forefront of the push for energy independence. She's popular and she's very persuasive." A Republican Party official, who has discussed Mrs Palin's role with members of Mr McCain's team, added: "She can say: 'I'm from Alaska. I know all about this and I support drilling, even in ANWR."