Colossus just published a 10,000-word profile of Mark Zuckerberg (months with him, his parents, his MMA coaches, and his rivals). The thesis: he's a Roman emperor running the largest empire in history from inside a prison, and he will never, ever stop. 🦷 His dad, "the painless Dr. Z," says "He didn't stand out as the bright one in the family." Middle daughter Donna was the nerd. At 12 he wrote ZuckNet in Atari BASIC in two days so the dental office wouldn't have to drill wires through walls.…