At its biggest event of the year, Google announced an avalanche of A.I. product releases: A.I. in search, A.I. that writes emails and A.I. that generates slides. Is Google pulling ahead in the A.I. arms race? And, after years of hype, self-driving cars are finally hitting the streets of American cities. Kevin and Casey take a ride through San Francisco in Banana Slug — an autonomous vehicle from the self-driving car company Cruise. After their ride, they sit down with Cruise’s chief executive, Kyle Vogt, to discuss the role he thinks self-driving cars will play in the future of transportation.