60 Minutes 11/7

On this week's "60 Minutes," Kansas City Mayor Quinton Lucas is speaking out against a new Missouri law meant to protect the rights of the state's gun owners. He and a number of Missouri police, sheriffs, and prosecutors say the Second Amendment Preservation Act makes law enforcement think twice about cooperating with agencies like the FBI and Bureau of Alcohol, Tobacco and Firearms, to investigate crimes involving guns. Norah O'Donnell reports. A Louisiana firm has developed a ground-breaking containment system for the U.S. Coast Guard that has captured more than 800,000 gallons leaking from the longest-running oil spill in U.S...