Board Thread:Questions and Answers/@comment-27676926-20160125234758/@comment-1504072-20160126013258

In simple summary: You should really play the game if you want the full details.
 * Boss faked defection to gather intelligence.
 * Boss provided nukes used in attack on Soviet territory.
 * Soviets might go to (nuclear) war with U.S. over said disaster.
 * Boss's death by U.S. would "prove" Boss not working for U.S., and thus not responsible for attack.
 * Boss willing to die to prevent war.