CBS Sunday Morning, September 5, 2021

In our cover story, Erin Moriarty investigates how some businesses are being affected by a shortage of staff -- and how lower-wage workers are finding new career opportunities. Martha Teichner looks at how, 20 years later, 9/11 is being remembered and taught. John Dickerson talks with Pulitzer Prize-winning photographer Richard Drew about the searing pictures he took on 9/11, and Tracy Smith sits down with actor Jeff Daniels, star of "American Rust";