The new Doctor Who ends its first season on CBC tonight. And wouldn’t you know it, but the show’s star Christopher Eccleston has aleady quit, which means the title role (recast six times in the original 1963-89 series) will be recast again. The new Doc will be the Scots actor David Tennant, whose credits include a recent BBC Casanova miniseries. Hmmm: A Scot with a time machine. Perhaps he could go back in time 16 years and warn the distilleries in his homeland about the current revival in, and shortage of, 16-year-old single malt Scotches.