text:  Recently we did an episode on ketchup and of course today ketchup is mostly made from tomatoes and that led a viewer to send me a question about the English pronunciation of the word tomato and asked me well which one is correct and that is a popular question because of a song written by George and Ira Gershwin for the 1937 Fred Astaire and Ginger Rogers movie Shall We Dance with the lyrics you say tomato and I say tomato you say potato and I say potato let's call the whole thing off