An examination of the mental battles waged between 20th-century leaders Winston Churchill and Franklin D Roosevelt during the first two years of their relationship.
A duel of false promises, evasion and delusion ensued, which was far removed from the more familiar image of friendship and loyalty.
World War II was not only a military conflict. It was also a series of private psychological battles waged by the four great leaders: Adolf Hitler, Joseph Stalin, Franklin Roosevelt and Winston Churchill.
In these mental duels, the 'warlords' lied, schemed, charmed, flattered and cheated to win.