PHILADELPHIA – Two people will serve prison time for their roles in the fatal beating of a 23-year-old man who was trying to hail a cab in Philadelphia. WPVI-TV reports (http://bit.ly/YalpZC ) that Kenneth Santiago pleaded guilty Friday to involuntary manslaughter in the death of Kevin Kless. Santiago's punishment is two to five years behind bars. Stephen Ferguson pleaded guilty, also Friday, to third-degree murder. He is to serve five to 10 years in prison.