Cedric The Entertainer on "Flipping Boxcars" | Novak Djokovic on US Open

As part of our ongoing series, "Kindness 101," CBS News Correspondent Steve Hartman and his kids are sharing stories built around themes of kindness and character and the people who have mastered both. His latest lesson is remembrance.Legendary actor and producer Cedric the Entertainer is now Cedric the Novelist. He discusses his debut novel "Flipping Boxcars" and how his grandfather inspired the tale.University of Colorado has won another game against Nebraska on Saturday. University of Colorado Coach Deion Sanders discusses how he turned around the once struggling program.Novak Djokovic won the U.S. Open in straight sets during a championship match against Daniil Medvedev. The 36-year-old, who has won more major titles than any man previously, told “CBS Mornings” the victory was “a huge relief,” especially after what he described as one of the "hardest" sets he’s every played.Memorial services are being held nationwide this morning in honor of those who died in the September 11th terror attacks 22 years ago this morning.