A look into the shaken baby syndrome case that landed a Texas man on death row

The Texas Board of Pardons and Paroles denied requests to halt the upcoming execution of 57-year-old Robert Robertson, who was convicted in a controversial 2002 shaken baby syndrome case. He is scheduled to die by lethal injection on Thursday. CBS News national correspondent Nikki Battiste reports on the credibility of the diagnosis and has more on the case.