Unfortunately, a machine has not yet been developed that can take one back in time and undo terrible mistakes being made due to lack of appreciation of possible downstream consequences of certain actions. If Archduke Franz Ferdinand of Austria-Hungary had been somewhere else other than in Sarajevo back in June 1914 Serbian Gavrilo Princip might never have been able to assassinate him and the European system of military alliances might never have been triggered to start World War I. Going...





















