CBS Sunday Morning, September 12, 2021

In our cover story, Martha Teichner witnesses efforts to tag migratory whimbrel shorebirds. Jim Axelrod talks with "Sopranos" creator David Chase about his prequel film, "The Many Saints of Newark." Luke Burbank finds out how dogs are trained to search for people trapped in rubble. John Dickerson talks with Chris Wallace about his new book on the hunt for Osama bin Laden. Ben Mankiewicz interviews Cedric the Entertainer. and Lee Cowan looks at the transformation of Ground Zero in Lower Manhattan.