"When you're Tom Mueller (@lrocket) and you start a company, you can just raise your hand, and people then send checks your way." President and COO @_Eric_Romo on why Tom started Impulse Space (@GoToImpulse): "Tom left SpaceX. He was there for almost 20 years. I think he tried real hard to be retired, and found himself on nights and weekends building rocket engines in his garage." "He talked to some folks that we all know well and they said, 'Look, you're doing this anyway. Why don't you…