Binance executive Tigran Gambaryan, who is in poor health, pleaded with a Nigerian judge on Monday to allow him to undergo back surgery because he has a herniated disc. "I've been complaining about this problem, but it hasn't been resolved," said Gambaryan, 40, as his money laundering trial in Abuja, Nigeria's capital, continued. "My nerves have been permanently damaged due to lack of proper treatment, which is why I'm in this condition now, I can't walk anymore.", G...