Tesla just delayed a car reveal over a thunderstorm forecast. That would be routine, except the FAA had already closed the airspace above the venue, from the ground up to 10,000 feet. The venue is the tell. Tesla is holding this at SpaceX's rocket test facility in McGregor, Texas, and invitees were told the event "can only be held outdoors." You can hold a car reveal in a thunderstorm. You cannot hold a thruster test in one. The Information reported the details back in August. The demo…