““The president and his wife were visiting a commercial chicken farm in the 1920s. During the tour, the first lady asked the farmer how he managed to produce so many fertile eggs with only a few roosters. The farmer proudly explained that his roosters happily performed their duty dozens of times each day. “Perhaps you could mention that to the president,” replied the first lady. Overhearing the remark, President Coolidge asked the farmer, “Does each cock service the same hen each time?” “Oh no,” replied the farmer, “he always changes from one hen to another.” “I see,” replied the president. “Perhaps you could point that out to Mrs. Coolidge.” Whether””