Of course it's not true. Pope Marshall has a tendency to wear "1950's era rose colored glasses".
But, far be it for the truth to remove those glasses:
Top Profanity in POTUS History
Turns out GW Bush loves the "f word". I think it's the most versatile of cuss words myself, being used as a noun, verb, adjective, etc., and it rhymes with so many other words that it's great for heavy metal and blues!
Turns out Mark Twain - you know, the American literary icon - LOVED to cuss. Had a special room just to do it in, too.
But my fav is Harry Truman. One of the last truly great presidents:
But hey, only "respectable folk" grow out of it.
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