Only on the "CBS This Morning" podcast, New York Times urban affairs correspondent Sam Roberts joins CBS News national consumer and investigative correspondent Anna Werner to discuss his new book, "A History of New York in 27 Buildings: The 400-Year Untold Story of an American Metropolis." Roberts considers the Empire State Building the most famous building in the world and shares some of its iconic moments, from its conception to its role in pop culture. Roberts also explains some of the other buildings that help tell the story of NYC, including the Flatiron building and the Domino sugar factory in Williamsburg.