Sweet and Sour, Legend: Patti LaBelle, Piece of Cake

Lee Cowan visits The Concours d’Elegance, widely considered the most prestigious car show in the world, and The Concours d’Lemons, which celebrates the unloved, the junkers and the failures of the automotive world. Both events happen on the same weekend, a few miles apart in California. Tracy Smith catches up with legendary singer Patti LaBelle, who has been performing for six decades. Faith Salie…