Paul Salopek is going for a walk. A very long walk. The Pulitzer prize winning journalist is about to set off on a seven year long stroll around the world. It's all in pursuit of something he calls "slow journalism":. In this age of blogging and tweeting and 24 hour news, Salopek wants to take the time, as much time as it takes, to tell the stories of the places he will travel to on this ambitious and almost certainly arduous trek across Africa, the Middle East, Asia and the Americas.