Amy Poehler and Seth Meyers ask, "Really!?!," of the billionaires fleeing Earth in vanity rockets

After hosting Sir Richard Branson’s jaunt to outer space (kind of) on Sunday, Stephen Colbert welcomed his billionaire buddy to Tuesday’s Late Show for some earthbound gloating. (Branson even put his bare feet up on Colbert’s desk, which is the sort of thing that should get you duct-taped to your airplane seat, in…