Sandy Hook was one of the mass shootings that rocked the country. More than four years after the tragedy -- families of the 26 victims have created a legacy foundation to honor their murdered love ones. Scott Pelley has their stories. A New Orleans public defender says innocent people are going to jail because they lack the resources to defend themselves. Anderson Cooper learns more. Bill Whitaker reports from Myanmar -- where two eye surgeons are fighting to eliminate cataracts -- which causes blindness.
