google.com, pub-ca-pub-6067120031842370, DIRECT, f08c47fec0942fa0  Troughton: The Second Doctor The idea of a Second Doctor is really an innovation by Lloyd and story editor Gerry Davis. If I am the showrunner at this point, I am trying to find a way to keep the program going. The show is only three seasons old and the original actor is not able to carry on. William Hartnell’s battle with his health is very evident to Lloyd and Davis. So, they must figure out…