If anything can sum up the charm of Sarah Palin, Governor of Alaska and now the Republican Party’s vice-presidential nominee, it is perhaps the nickname she gave her husband, Todd: “First Dude”. It would, after all, take an icy heart not to warm to an oil rig worker and commercial fisherman from the far reaches of Alaska’s North Slope: a man’s man; a beer drinker; a salt-of-the-earth type. As far as the US public was concerned, Mrs Palin might as well have been married to Jeff Bridges in The Big Lebowski. Adding to the charm were the stories about the...