Time delay – a feature that allows deletion of serious blunders – has not always been a “backstop” when there’s tongue entanglement on radio broadcasts.A classic, of course, was the announcer who said he “got his tang toungled up.”Perhaps the first nationally-recognized blunder occurred in June, 1921, when Harry Von Zell needed to make just one statement to introduce the new US President for his inaugural address: “Ladies and gentlemen, President Herbert Hoover.” What he said, however, was definitely mangled: “Hoobert Heever.”Groucho Marx, radio and TV personality who appeared in several thigh-slapping movies with his brothers, had a keen mind ...