As expected, the former Trump campaign chairman Paul Manafort and a business associate have been indicted on charges stemming from the special counsel investigation. But a surprise guilty plea from another campaign adviser may tell a more meaningful story about what the Trump campaign knew about Russian interference in the 2016 election — and when it knew it. Guests: Matt Apuzzo, a New York Times reporter who has been covering the Russia investigation. For more information on today’s episode, visit nytimes.com/thedaily.