A student of the University of Cape Coast who raped a 20 -year old mentally retarded woman at Assin Demsame has been sentenced to six years imprisonment by a Cape Coast Circuit Court. The convict, Akwesi Appiah, 26, alias Jaga, pleaded guilty to the charge of having carnal knowledge of an imbecile. Prosecuting, Detective Inspector John Asare Bediako, told the …