Into Dangerous Hands - There are probably more people like NSA leaker Edward Snowden working right now with America's secrets says a former deputy secretary of Defense. John Hamre tells Scott Pelley that the U.S. security clearance process -- the one that green-lit Snowden as well as convicted spy Chelsea Manning and mass murderer Aaron Alexis -- is obsolete. In fact, an internal government memo obtained by 60 Minutes warns the process could contain "systemic problems.

The Collider - It's already helped scientists find what some call the "God Particle." What else will the Large Hadron Collider reveal as it begins work at nearly double the power?

Hamilton - An unorthodox musical with a diverse cast about the life of Alexander Hamilton is creating waves on Broadway and beyond while it smashes box office records.

The terror attacks in Paris have prompted police departments to train officers and members of the public how to respond and stay alive during a shooting; the battle against Islamic State group; a cellphone-based payment system in Kenya.