2/28/2016: A Monumental Project, Saving History, God's Architect

Scott Pelley reports on the making of a Smithsonian museum dedicated to African-American history and culture. Morley Safer takes a look at how the fashion business is rescuing Italy's most iconic sites, such as The Colosseum in Rome. Lara Logan brings listeners to the Sagrada Familia, a church in Spain that has become the longest running architectural project on Earth.