In 1936, the monarchy faced the greatest threats to its survival in the modern era - the crisis of abdication and the menace of Nazism. The fate of the country rested in the hands of George V's sorely unequipped sons: Edward VIII abandoned his throne to marry divorced American socialite Wallis Simpson; Prince Henry preferred the sporting life of a country squire; the glamorous and hedonistic Prince George, Duke of Kent, was considered a wild card; and stammering George VI felt himself woefully u