Japan and then World War I- set off the Russian revolutions of 1905 and 1917, respectively, so they led to change in this case. The U.S. defense buildup and hardline policies of the Reagan administration during the early 1980s, Sestanovich argues, prompted the Krem- lin to rethink its policies. "showing that past policies had led nowhere, Western toughness al-tered the internal power balance of Soviet poli- tics in favor of fundamental change." Then, af- ter Gorbachev embarked on change,...