Political

Stalin’s Man in Belgrade

Teodoro Castro or Iosif Grigulevich? Costa Rica’s ambassador to Yugoslavia was a Soviet spy sent to kill Tito.

Bismarck’s Britain

The German chancellor Otto von Bismarck saw himself as a puppet-master, engineering British politics from afar in his feud with Gladstone.

Curbing the Power of the Popes

The survival of the papacy has always been dependent on a precarious balancing act between the pope’s religious and secular powers.