As might be expected, my Uncle Mort thought he had heard every birthday-related joke in the book. At his 107th party a few weeks ago, he got a real birthday surprise. They rolled out three large gifts. When he tore away the wrapping on the first one, there was a birthday cake adorned by 36 candles. He laughed, ready to joke that maybe this was the 71st anniversary of his 36th birthday. He stopped short, however, eyeing the frosted lettering under the candles. It read, “Continued on next cake.” Sure enough, unwrapping of the second package revealed yet another cake. It had the ...