Why Elon Musk called an all-hands meeting at 1 in the morning on a Sunday (and what it says about him)

There’s hard core, and then there’s Elon Musk. 
Musk called an all-hands meeting at his SpaceX spacecraft factory in Boca Chica Beach, Texas at 1 a.m. on Sunday, Feb. 23, according to a story published Thursday by Ars Technica.
The billionaire SpaceX and Te… [+2435 chars]Source