How 6 building failures pointed to a safer future

Investigations into the deadly partial collapse of Champlain Towers South in Surfside, Fla., are expected to lead to revised building codes and improved practices to avoid future disasters. Jenn Goodman examines six building failures that have effected change, including the 1981 collapse of two walkways at a Hyatt Regency hotel in Kansas City, Mo., that killed 114 people.