Riyadh wants to help Yemen's various southern factions come up with creative solutions. It wants a unified Yemen, but other parties have a different agenda, complicating efforts to hold a conference.
No single party in Yemen can impose dominance over the other through military force, nor can any side achieve dominance solely by relying on external actors
For decades, two separate states - North and South Yemen - existed side-by-side, until the Cold War ended. Suddenly, the two came together. For a brief moment, united Yemen prospered.
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Islamabad kept both sides talking even as missiles were being launched. That tenacity looks to have paid dividends in a way that could yet reshape the Middle East's power dynamics.