Gary Waldhorn, who has died aged 78, played some political high flyers on television in his time – Caulaincourt, the diplomat and Second Empire loyalist, in Napoleon and Love (1974), and the raffish society diarist Chips Channon in Edward and Mrs Simpson (1978) – but his true talent lay in a curious ability to be pompous, boring and funny all at the same time. This was most famously demonstrated...