President Biden on Thursday hailed the U.S. and Allied forces who stormed the beaches of Normandy 80 years ago, saying they overcame a tyrant who thought “the future belonged to dictators.” Mr. Biden said their sacrifice offers a stark lesson today as Ukraine faces a Russian enemy who disregards borders. “Ukraine has been invaded by a tyrant bent on domination. Ukrainians are fighting with extraordinary courage, suffering great losses, but never backing down,” Mr. Biden said at the...