A Russian defeat in Ukraine makes America safer.In April 1941 Germany had conquered all of Europe except England, while its Axis partner Japan had conquered most of Southeast Asia. At this historical moment, the Gallup Company took a poll of Americans on this question: Should America – until then a non-combatant – get involved in the war. 81% of Americans said no. But all that changed with the attack on Pearl Harbor on December 7 in that same year. If the United States had not entered World War II, we would have faced a world united under Nazi rule ready...