anyway, this is awesome. I love so many things about this. I love that the president is all "no, really, I mean it--move out of the way." I love that the kid says completely matter of factly "it shoots 172 feet at 30psi."
But most of all, I love that the president, on learning that the cannon shoots marshmallows and that it'll probably hit the wall, asks the most important question in the entire world.
"Will it stick?"
Way to support kids and science and being a real person!!