FROM CNN WIRES: Pretoria, South Africa (CNN) – South African prosecutors pushed Friday to keep Oscar Pistorius behind bars, painting the double-amputee track star as a killer offering an improbable defense in the shooting death of his model girlfriend. The picture offered by the prosecution came during the fourth day of a bail hearing that … Continue reading Pistorius bail decision in girlfriend's murder expected 7:30aET today – Robyn Curnow reports