'Downton Abbey' is a pageant, a cavalcade of a time when...

'Downton Abbey' is a pageant, a cavalcade of a time when being born right is the first and most irrevocable career move, and in which an older order - whose passing 'Downton's' creator, Julian Fellowes, clearly mourns - is submerging in icy seas as surely as a grand and extravagant ocean liner.