Any kid can grow up to be president. Just look at their report cards. Lyndon Johnson got a D in his third-grade grammar class. John Kennedy scored a 55 in eighth-grade Latin. George H.W. Bush's high school transcript shows marks in the 60s and 70s for many classes.
"We want to believe that there is a class of people who emerge early on as heirs to the throne, so to speak, but that's not the case," said Timothy Walch, director of the Herbert Hoover Presidential Library.