This is a great story about how a 12-year-old girl went above and beyond with a school project, and found out that all of the U.S. presidents except one are related to a certain King John, the one who agreed to the Magna Carta. If you were wondering how project-based learning works, here is a good example. And if you are a genealogist, the cautionary tale here is that you shouldn't ignore the maternal line, even if it is harder to trace. . . apparently all the professionals had only looked at the paternal lines. . .