60 Minutes — Episode 38: Recruiting for ISIS, The Spill at Dan River, The Smartest Dog in the World

You are watching the episode Recruiting for ISIS, The Spill at Dan River, The Smartest Dog in the World Clarissa Ward reports on accusations that Islamic radicals are campaigning for ISIS in the West; then Lesley Stahl reports on how Duke Energy is handling over 100 million tons of coal ash waste in N.C.; and, Anderson Cooper meets Chaser, a dog who can identify over a thousand toys.