A street performer at the Edinburgh Festival Fringe, 2007 Edinburgh in August has a particular kind of buzz. The old stone streets fill with performers, visitors and the sound of people hurrying to their next show, while around the next corner, a street act or an unexpected little venue invites you to stop and stay awhile. I’ve visited the Fringe several times over the past 25 years, and the secret to a first trip that really delivers is to plan the essentials early, then lea