Autonomous vehicle technology and safety has changed drastically recently. Once thought of as a far off goal, we’re now at a point where self-driving cars have begun operating at quite a sophisticated and high level. But there's still a lot of work to be done before these vehicles become more mainstream. Tim Lee is a journalist and the founder of UnderstandingAI. He joins Chris Hayes to discuss advancements in autonomous vehicle tech, the impact on jobs, safety concerns and more. MS NOW: My