EU foreign policy chief Federica Mogherini, Iranian Foreign Minister Mohammad Javad Zarif, British Foreign Secretary Philip Hammond, and U.S. Secretary of State John Kerry, Vienna, Austria, July 14, 2015 (AP/Pool photo by Carlos Barria).

In this week’s Trend Lines podcast, WPR’s Editor-in-Chief Judah Grunstein and host Peter Dörrie discuss the major trends that shaped 2015, a year marked by the re-emergence of borders and national approaches to transnational problems. Listen: Download: MP3Subscribe: iTunes | RSS Trend Lines is produced, edited and hosted by Peter Dörrie, a freelance journalist and analyst focussing on security and resource politics in Africa. He can be followed on Twitter at @peterdoerrie.

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Over the course of its armed struggle with the self-proclaimed Islamic State, Iraq has devolved into a state captured by militias and foreign powers. The instability caused by a revived insurgency that took over Iraq’s second-largest city of Mosul in June 2014 has facilitated the emergence of new armed actors and deepened the influence of older ones. The level of security engagement Baghdad receives from the West, including cooperation with the 60-nation coalition against the Islamic State, has not strengthened Prime Minister Haider al-Abadi’s position. His government remains fragile and fragmented, unable to consolidate power and exercise authority over militias […]