In a week in which the security of internet communications is in the spotlight, a new novel captures the murky world of undersea internet cables: essential, indispensable and incredibly vulnerable. Author Colum McCann captures the real-world drama in his highly anticipated new book, “Twist.” Also on today's show: Iranian-Kurdish rapper Saman Yasin; actor Julie Andrews (from the archives) Learn more about your ad choices. Visit podcastchoices.com/adchoices