The dynamic virtually ensures a response by Iran upping the ante in 2020.
By Matthew Bey
Russia's aging workforce won't collapse its economy. It will, however, greatly suppress economic growth over the next decade, as well as the country's resilience against macroeconomic threats.
By Sim Tack
The U.S.-Mexican border is in some fundamental ways arbitrary. The line of demarcation defines political and military relationships, but does not define economic or cultural relationships. The borderlands -- and they run hundreds of miles deep into the United States at some points -- have extremely close cultural and economic links with Mexico. Where there are economic links, there always are movements of population. It is inherent.
Prime Minister Abiy Ahmed's reforms have made him the new darling of the international community. But his government's dimming domestic popularity risks sending the country into rough political waters ahead of its 2020 election.
As the trade and tech wars bleed into human rights issues, there will be very little room for compromise ahead.
By Reva Goujon
Pretty much everything in Syria has gone Moscow's way. Events on the horizon, though, suggest that won't always be the case.
By Omar Lamrani
'One country, two systems' was always little more than a useful fiction for Beijing: Hong Kong is a piece of China, and its eventual integration with the mainland is inevitable.
By Rodger Baker
A mutual desire to end their long conflict makes an agreement a matter of when, not if. But long-lasting stability will only happen after the insurgents come to terms with the Afghan government.