By Daniel Kline Electric-vehicle leader Tesla’s CEO has thrown down a gauntlet for the coming year. Also robots. Tesla (TSLA) – Get Tesla Inc Report Chief Executive Elon Musk sometimes makes promises he can’t deliver or perhaps that he never intends to deliver. He’s a brash man who clearly thinks a lot of himself but also someone who seems to have fun keeping other people on their toes. Will there be a Cybertruck in 2023? Will Tesla release a flying taxi? A drone? A robot? Musk has mentioned some of those things, and whether they will ever actually exist remains a large question. Amidst all th…