Today Rory Bremner's mission to find the best of British views takes him back to his home town, Edinburgh. He gets the view of a lifetime from the top of the Forth Bridge. He tries a kilt on for size offering the locals quite a view. He takes a tour of the darker side of the city with best selling author and local lad Ian Rankin and visits the famous castle where he gets a wake up call from Edinburgh's top gun…