"History does not repeat itself, but it often rhymes," said Mark Twain.
Observing the uprising in Syria, the atrocities, the intervention by rival powers, it all calls to mind the Great Rehearsal for World War II, the Spanish Civil War.
The war began in 1936 with an uprising in Morocco of Spanish Nationalists against a Madrid regime seen as anti-Catholic, Marxist and Trotskyite. Vladimir Lenin had predicted that Spain would be the second Soviet republic in Europe.
The war would last three years, with Joseph Stalin providing aid to the regime, Benito Mussolini sending troops to fight...