Long-time foes in Libya took part in joint US-led military exercises this week. The bitter adversaries who head Libya’s eastern and western-based factions have taken other small steps toward reconciliation, like agreeing on a single national spending plan. But Jalel Harchaoui, an associate fellow at the Royal United Services Institute, tells The World’s Host Carolyn Beeler that graft, corruption and other deeply-rooted problems still present major obstacles to reunification.