What every Doctor Who regeneration says about each Doctor's era

Tomorrow sees the final bow of the Eleventh Doctor, as Matt Smith regenerates into Peter Capaldi. But "The Time Of The Doctor" figures to be more than just this incarnation's last hurrah – like so many regeneration stories before it, the Christmas special is a chance to define just who this particular Doctor is, once… » 12/24/13 1:23pm 12/24/13 1:23pm