Richard Branson and Jeff Bezos will fly to space at their own risk. Does that make it right for everyone?

Want to jump out of a perfectly good airplane and hope the parachute opens? Be our guest. Or try bungee jumping? Sure, go for it. And, yes, feel free to strap yourself into that roller coaster and loop-de-loop until you turn green.

And, now, if you’re a real adrenaline junkie, you are welcome to board a spacecraft and blast out of the atmosphere for a few minutes of weightlessness. If you can afford it — a big if, given the steep prices. No one is going to stop you. No local government ordinance. No state law. Not even the Federal Aviation Administration, which ensures only that the people and property on the ground are protected.