Steve Kroft profiles Sergio Marchionne, who is credited with saving Chrysler through an alliance with Fiat. They paid back their loans to the U.S. Government six years early.
Lara Logan reports on the case of Michael Morton, who was exonerated by DNA evidence after spending 25 years in prison for the murder of his wife. In his first interview, talks about the likelihood that prosecutorial misconduct played a role in his conviction.
Bob Simon profiles world number-one men's tennis player Novak Djokovic, who is the current holder of three of the four Grand Slam titles and began 2012 by winning his first 41 matches.