Ed Buckbee was working in NASA’s public affairs office when he got word that the country’s most famous and celebrated astronaut would no longer fly. There were loftier, political goals ahead for him. The explanation: “John Glenn is a national treasure.”

“I remember Grant (Lynch, track chairman) and I were talking and we weren’t in favor of it. ‘Talladega Nights.’ What does that mean?” said Rick Humphrey, the general manager at Talladega Superspeedway when Will Ferrell and director Adam McKay conjured the notion of “Talladega Nights: The Ballad of Ricky Bobby.”

As much as we adults remember and know about the Sept. 11, 2001, attacks, what about our kids? What do you tell them? How can this be explained? Think about this: Anybody younger than a high school sophomore was born after the 9/11 attacks.