In 1939, British Prime Minister Neville Chamberlain and French Prime Minister Édouard Daladier warned Adolf Hitler that if the Third Reich invaded Poland, a European war would follow.
Both leaders insisted that they meant it. But Hitler thought that after getting away with militarizing the Rhineland, annexing Austria, and dismantling Czechoslovakia, the Allied appeasers were once again just bluffing.
England and France declared war two days after Hitler entered Poland.
Once hard-won deterrence is lost, it is almost impossible to restore credibility without terrible costs and danger.
Last week, Russian officials warned the Obama administration about the installation of a new anti-ballistic missile system in Romania and talked of a possible nuclear confrontation that would reduce the host country to “smoking ruins” and “neutralize” any American-sponsored missile system.
Such apocalyptic rhetoric follows months of Russian bullying of nearby neutral Sweden, harassment of U.S. ships and planes, warnings to NATO nations in Europe, and constant threats to the Baltic states and former Soviet republics.
China just warned the U.S. to keep its ships and planes away from its new artificial island and military base in the Spratly archipelago — plopped down in the middle of the South China Sea to control international sea lanes.