Texas poised to execute autistic man for 'shaken baby' death

Barring a successful last-minute appeal, the US state of Texas will execute an autistic man this week whose murder conviction was based on what his lawyers say was a misdiagnosis of "shaken baby syndrome."

Robert Roberson, 57, is scheduled to die by lethal injection at the state penitentiary in Huntsville on Thursday for the February 2002 death of his two-year-old daughter, Nikki.

Roberson's case has drawn the attention of the Innocence Project, which works to reverse wrongful convictions...