Among the sweeping changes France is proposing in the aftermath of this month's terrorist attacks in Paris are new measures to fight Islamic radicalization in its prisons. It is an enormous problem brought into starker relief because two of the suspects in the attacks earlier this month were products of the French penal system.
Cherif Kouachi, one of the brothers behind the attack on the offices of Charlie Hebdo, went from petty criminal to violent jihadist after just 20 months behind bars.