“But the age of chivalry is gone; that of sophisters, economists, and calculators has succeeded, and the glory of Europe is extinguished forever.”Edmund Burke, 1793 On British television recently, there was an advertisement for a beer. Set in the eighteenth century, it began by showing a pretty young woman sat in a carriage, looking on as the two men who seek her heart meet up in a field and bow before one another. Then, turning on their heels, they both walk towards their duelling positions. Except the duel doesn’t happen. After a few seconds, one of the duellers turns and...