France: Should radical Islamist prisoners be isolated?

As the terror threat rises in France, the government has been struggling with the issue of how to deal with convicted jihadists. Earlier this year, the prime minister decided to test a new idea: separating Islamist extremists from other inmates in a bid to stop them spreading their ideology in prison. That's currently being tested out in a jail near Paris. But the plan is getting mixed reviews from both lawyers and prison workers.