Tunisia is the only democracy to emerge from the Arab Spring. Yet the death of its first democratically elected president last week has raised new questions about its future. The outcome matters not just to Tunisians, but also as a test case for democracy across North Africa and the Arab world. Sarah Yerkes of the Carnegie Endowment for International Peace and Gordon Gray, the US ambassador to Tunisia from 2009 to 2012, join Deep Dish to discuss.