Federal and local authorities all over the country say it's the biggest drug epidemic today. Not methamphetamines or cocaine, but heroin.

You might think of heroin as primarily an inner-city problem. But dealers, connected to Mexican drug cartels, are making huge profits by expanding to new, lucrative markets: suburbs all across the country. It's basic economics. The dealers are going where the money is and they're cultivating a new set of consumers: high school students, college athletes, teachers and professionals.

Heroin is showing up everywhere -- in places like Columbus, Ohio . The area has long been viewed as so typically Middle American that, for years, many companies have gone there to test new products. We went to the Columbus suburbs to see how heroin is taking hold in the heartland.

The Speaker of the House: New Speaker of the House Paul Ryan tells Scott Pelley he thinks he will be able to find common ground with the Democrats on critical issues like tax policy, infrastructure and funding the government. Two weeks after his election, the Wisconsin Republican invited Pelley to his hometown of Janesville to talk politics, policy and family for the next edition of 60 Minutes.

Football and the Brain: Steve Kroft examines the state of concussion safety and science in football, especially in the NFL.