This is an edition of The Atlantic Daily, a newsletter that guides you through the biggest stories of the day, helps you discover new ideas, and recommends the best in culture. Sign up for it here.Driverless taxis have arrived on the streets of San Francisco. The self-driving car companies Cruise and Waymo got the green light to expand their robotaxi fleets in the city earlier this month. The cars’ arrival was met with creative protests, curiosity, and long waitlists to take a ride.

No one alive has seen a race like the 2024 presidential election. For months, if not years, many people have expected a reprise of the 2020 election, a matchup between the sitting president and a former president.But that hasn’t prevented a crowded primary. On the GOP side, more than a dozen candidates are ostensibly vying for the nomination.

Welcome to Up for Debate. Each week, Conor Friedersdorf rounds up timely conversations and solicits reader responses to one thought-provoking question. Later, he publishes some thoughtful replies. Sign up for the newsletter here.Last week I asked readers, “If you could pose one earnest question to any of the Republican candidates, what would it be?”Replies have been edited for length and clarity.

The first tide of syringes washed ashore on Thursday, August 13, 1987. Hundreds of unmarked hypodermic needles spilled out of the surf that afternoon, accompanied by vials and prescription bottles, along a 50-mile stretch of New Jersey beaches during peak tourist season.

Since Omicron swept across the globe in 2021, the evolution of SARS-CoV-2 has moved at a slower and more predictable pace. New variants of interest have come and gone, but none have matched Omicron’s 30-odd mutations or its ferocious growth. Then, about two weeks ago, a variant descended from BA.2 popped up with 34 mutations in its spike protein—a leap in viral evolution that sure looked a lot like Omicron.