'If you are accompanied by a dog you can talk to anyone, and anyone can talk to you - about anything ...' And they do. Edward Stourton's walks with, Kudu, his dog, become an opportunity for wonderfully unlikely encounters, and reflecting on the world from the dog-walker's perspective proves remarkably illuminating. Ed and Kudu's small trips to the park offer up big insights into romantic attachment, honour and heroism, guilt and depression, our sense...