When I asked Bill Gates, 63, co-chair of the Bill and Melinda Gates Foundation, why polio, he began, “Polio is a terrible disease.” An hour later, speaking to a group of Rotarians in Spokane, Washington, he said, “You know, we're going to get to the end of this, and Rotary will be the reason that will happen.” Before continuing, I must note I am a Rotarian who has occasionally been paid to speak at Rotary events.