If Stephen Harper seems more on his game in Thursday night's leaders debate in Calgary, new Tory campaign adviser Lynton Crosby (a.k.a. the "wizard of Oz", a.k.a. "the Australian Rottweiler") is already having an impact. Last week, the Tories reached out to the savvy, secretive Australian, who helped British PM David Cameron win a majority victory this year. Meanwhile, the Tories' latest message makeover is seen in a TV spot acknowledging "Stephen Harper isn't perfect," but the alternatives are apocalyptic.