Mindy Kaling's new Netflix comedy series, 'Never Have I Ever,' is based on her own experiences as a nerdy, confident teen who pined for a boyfriend. We talk about why she was hesitant to relive her high school years through the show, and why she wanted to put a different kind of nerd onscreen. John Powers reviews Hulu's TV adaptation of the Sally Rooney novel, 'Normal People.' Mark O'Connell went on what he calls "a series of perverse pilgrimages" while researching people who are preparing for doomsday. He talks about prairie bunkers in South Dakota, Mars as a "backup planet," and catastrophe tourism. O'Connell's book is 'Notes from an Apocalypse.'