“This Didn't End the Way It’s Supposed to End.” (Bonus)

<p>The N.B.A. superstar Chris Bosh was still competing at the highest level when a blood clot abruptly ended his career. In his new book, <i>Letters to a Young Athlete</i>, Bosh covers the highlights and the struggles. In this installment of the Freakonomics Radio Book Club, he talks with guest host Angela Duckworth.</p>