Defending human rights is a 'relentless struggle,' says former HRW head

For nearly half a century, Human Rights Watch has shone a light on abuses, trying to hold perpetrators accountable. And for nearly three decades, Kenneth Roth was its executive director. He joins Piya Chattopadhyay to reflect on the victories, setbacks and realities of defending human rights today, as explored in his memoir Righting Wrongs.