The International Crisis Group has welcomed the deal as the “best possible agreement”. and urges both the US Congress and Iranian Majlis to approve it.
It will not solve the region’s many other problems, neither the proxy wars pitting Iran against its neighbours nor the hostility that still embitters Tehran’s relations with the West.
Overcoming decades of animosity, both within the region and between Iran and the West, likely will prove even more challenging than reaching today’s accord. But as the past two years of arduous talks have shown, even seemingly intractable predicaments can be addressed through persistent and patient diplomacy.