There's been little good news to come out of the Arab region since the uprisings three year's ago. But the latest political deal in Yemen is aimed at bringing a ray of hope there. President Hadi has signed a deal to transform the country into a federal state. It will be split into six regions. Two in the South, giving them more autonomy without total independence. And four in the former North. But that's angered some southerners who insist on a separate state.