Vladimir Lenin, leader of the Bolsheviks, speaking at a meeting in Sverdlov Square in Moscow, with Leon Trotsky and Lev Kamenev adjacent to the right of the podium. In the third presidential debate in Bolder, Colorado, Sen. Ted Cruz compared Hillary Clinton to Bolsheviks. Bolsheviks (Russian: "bolshoi" = "of the majority") were the mainstream communists who arose as the Social Democratic Party of Russia at the turn of the 20th century. Subsequently, when the inner party struggle began about how to change the system, whether by a violent revolution or a natural transition, the Bolsheviks changed their name to...