If you want to challenge your pedagogical skills, try explaining the Iowa caucuses to a child. "You see, Billy, in America, we get to choose our presidents, and every citizen gets to participate. So to start the process off, everyone who wants to be president spends months in the state of Iowa, personally meeting as many Iowans as they can. And then one Tuesday in January, those Iowans go to their local schools and community centers, hang around for an hour listening to boring speeches, then cast their votes. Then the media tell us that the candidates who didn't come in first or second are unworthy of any more attention from people in the other 49 states, so those candidates drop out of the race.