In the 20th century, communists waged a struggle for global dominance, but there were conflicts within their ranks as well � disputes over strategy, ideology, and doctrine. Bolsheviks fought Mensheviks; Stalin quarreled with Trotsky (Stalin had the last word: an ice pick delivered to Trotsky�s skull); Maoists broke with the Kremlin.

Nowadays, a new global struggle by a new breed of totalitarians aims not at establishing an international dictatorship of the proletariat, but rather Dar al-Islam, a world ruled by Muslims. Among these self-described jihadis there also are disputes over strategy, ideology, and doctrine.

Sayyid Imam al-Sharif � also known by the nom de guerre Dr. Fadl � may be the most influential Islamist you�ve never heard of. The Telegraph, a British newspaper, notes that he was �part of the tight circle which founded al-Qaeda in 1988 in the closing stages of the war against the Soviet occupation of Afghanistan.� He went on to lead an insurgency against Egypt which landed him in Tora prison in southern Cairo where he has since spent his days thinking and writing.

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