Correspondent Steve Hartman admits that he wasn't eager to become a dog dad, when his wife brought home an Australian Labradoodle. But it wasn't long before Hartman discovered a new role for himself: dog's best friend.
When her mother disappears, 7-year-old Nicki Bates begins a lifelong search to find her and bring her killer to justice. "48 Hours" correspondent Peter Van Sant reports.
Since 1996, David Letterman's racing team, Rahal-Letterman-Lanigan Racing, has won the Indianapolis 500 twice. He talks about the attraction of the sport, along with drivers Josef Newgarden and Pato O'Ward, and racing great Mario Andretti.
In this web exclusive, comedian and Indianapolis native David Letterman talks with correspondent Tracy Smith about his lifelong interest in auto racing, and how he is today co-owner of an Indy Car racing team, Rahal-Letterman-Lanigan Racing. He also talks about his experience riding in a car driven by Paul Newman around California Speedway.
