He was, by all accounts, an exceedingly frugal fellow. Even in conversation his words were few and infrequent. Once, after attending a church service, he was asked what the sermon was about. All he said was: “Sin.” And the preacher’s position on the subject? “He was against it,” came the curt reply. Now, that would be Calvin Coolidge, our thirtieth president, who said not a word about what…