I've been waiting for a John Walker simulator to arrive, and this is the closest I'll probably ever get. It's the Secret World's GDC presentation, showing off Ragnar-Tørnquist's increasingly-interesting (to me) MMO. You can pretend you're in the room being John Walker, who can be seen here following Ragnar. Toss some water at the screen to simulate the tears that usually flow when John experiences…