Enter the world of Edwardian manners with Alastair Bruce, historical advisor to "Downton Abbey." Bruce and the series' leading cast members explain how they re-create the authentic etiquette of aristocrats and servants.

Enter the world of Edwardian manners with Alastair Bruce, historical advisor to "Downton Abbey." Bruce and the series' leading cast members explain how they re-create the authentic etiquette of aristocrats and servants.