Episode Summary
Scott Pelley follows patients in a Duke clinical trial of a new cancer therapy that the FDA has granted breakthrough status; and, Bill Whitaker reports on how the U.S. fight against Chinese espionage has ensnared innocent Americans.
Scott Pelley follows patients in a Duke clinical trial of a new cancer therapy that the FDA has granted breakthrough status; and, Bill Whitaker reports on how the U.S. fight against Chinese espionage has ensnared innocent Americans.