The founder of the Bradt travel guides and author of a new memoir has been thumbing lifts all over the world since her teens – and has no intention of stopping now‘‘No one hitchhikes any more, do they?” I often hear people saying this and am proud to reply that I’ve hitchhiked every decade of my life, except the first. And I don’t intend to stop just because I’m now in my 80s.So there I was, standing beside the road in southern Bavaria last year at the a