Time Travel?

Time Travel would never be possible. Time only moves forwards and does not work like a video recorder. Its physically impossible. If by some odd chance that someone does pop back in time and slaps me for saying this then, ok I will eat my non existant hat, but otherwise it will just never happen.

In answer to the question tho, I think people who have been through proper training and completed years of tests for their actual intelligence so they wouldnt go back and say, throw a toaster at Clinton or something, so the whole of the time line messes up. Going back in time instantly makes you the most powerful person on earth, because you can very easily change the entire course of history, you could give out the winning lottery numbers to your past self, or even assasinate the president and not get caught. Its a whole riddle that I dont think will ever be solved, ever, but would be damn cool tho.

Jam it back in, in the dark.