On ancient roads in London, a very modern battle is brewing. If >> we do a left here, the goldsmith's home. >> Black cabs will soon be competing with artificial intelligence powered autonomous taxis.But as we found out, London's cabbies aren't about to hand over their keys. Your knowledge is better than what a Google map will tell you to go. >> Oh, don't make me laugh.Seriously. You know, it's like comparing a a hot dog vendor to a Gordon Ramsay. ...