By Anna Moloney Politicians may love Vogue, but mastering the ‘soft-focus’ feature is a delicate balancing act between relatability and authenticity, writes Anna Moloney Allow me to take you back to 2006, the heyday of the iPod shuffle, Chico and bootleg jeans. Taylor Swift had just released her first album while X, then known as Twitter, was but a crying babe. And on Youtube, barely two years old, Webcameron had just launched. Keen to reach out to younger voters, then-leader of the opposition David Cameron began a series of vlog-style online videos. Often filmed from his home, DC would casual…