It's not easy to explain, but . . .

What if the world of Harry Potter WAS real? What if Dan Radcliffe, Emma Watson, Rupert Grint and Tom Felton were asked by the REAL Harry, Hermione, Ron and Draco to go back and tell their younger selves, and the others involved, what was going to happen and how to change everything, for the better. Would they help? Wo...