Like the Antiques Roadshow. The British version has been on the air for 40 years.  The American roadshow has been going for over a decade. The Canadian CBC version, with all the musty air of a tomb, lasted barely one. Despite all the people involved in the CBC bake show, there is not one charismatic, erudite   personality  capable of witty repartee  among them. The BBC show had 12.