 But this isn't a weather show. It's a car show, and we've got some car news. I mean, Tesla's Elon Musk. You've heard of him, I think. He's just hinted that the debut of the carmaker's robo-taxi will be delayed. Not much of a shocker, right? We'll tell you why and what all that means. General Motors CEO Mary Barra has just revealed that her company's goal of producing one million electric vehicles in North America in 2025 is, in her words, uncertain.