Couple of articles about SpaceX and Musk
Maybe you guys have already seen these...
NASA Studies Scaled-Up Falcon, Merlin
SpaceX gets set for next giant leap
Along the way, Musk has learned many things about rocket science -- for example, that building rockets is "super-frickin'-damn-hard."
LOL. Sounds like a guy you could have a beer with...while he's not changing the world, that is.