Near the cliff that U.S. Army Rangers scaled 80 years ago on D-Day, U.S. President Joe Biden planned on Friday to compare the threats posed by Nazi Germany to those facing the world today by dictators and authoritarianism. Biden's speech in Normandy, his second in as many days, is aimed at strengthening support for Ukraine, but it is also expected to be a rebuke of the isolationist inclinations of Donald Trump, Biden's rival in the Nov. 5 presidential election. By setting his speech at Pointe du Hoc, Biden will echo Republican predecessor Ronald Reagan. His D-Day anniversary speech there in...