New York Times tennis correspondent Christopher Clarey talks about 40-year-old Roger Federer's amazing longevity in the sport. Clarey's new book, "The Master: The Long Run and Beautiful Game of Roger Federer," comes out next week. And, singer-songwriter R. Kelly is pleading not guilty to sex trafficking and racketeering charges. Interest in the allegations of his abuse of women and girls reignited after "Surviving R. Kelly" debuted in 2019. NPR's Andrew Limbong discusses the trial.