Why closing Tunisia-Libya border would hurt local economy

The Tunisian authorities have vowed to step up their fight against jihadists after last month’s deadly terrorist attack at the Sousse beach resort. One of the main weak points has been clearly identified: the long, porous border with Libya. The neighbouring country is no longer a unified state, but rather a patchwork of rival governments, tribes and militias where extremists, criminal groups and weapons smugglers are now thriving.