'Sherlock: The Abominable Bride': Cumberbatch and Freeman go Victorian for classic Holmes and Watson

After nearly two years away, "Sherlock" returned to television with a New Year's Day special broadcast more or less simultaneously on PBS and the BBC. (PBS will re-air the 90-minute episode Jan. 10, and it will run in theaters nationwide Jan. 5 and 6.) Three more episodes, a full-fledged fourth...