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Ukraine ceasefire remains a work in progress

The long-term viability of the February 2015 ceasefire agreement depends on Kiev's ability to implement contentious constitutional reforms. Until it has done so, Russia does not have to cede control of the border.

Petrobras scandal casts cloud over Brazil's prospects

Public anger both at the scandal and an economic slowdown is undermining President Dilma Rousseff's popularity.

Iraqi Kurdistan: the essential briefing

The KRG enjoys many of the trappings of independence, but its leaders are cautious of the new challenges it would create.

Eastern Europe's demographic challenges

Workforces throughout Eastern Europe are entering long-term structural declines – could immigration improve matters?

Negative outlook for Russian economy as sanctions bite

With more severe sanctions threatened if a ceasefire in Ukraine is not adhered to, Russia's economic prospects look unpromising.

Iran nuclear talks approach conclusive deadline

Iran and its interlocutors have until 24 March to reach an agreement on the country's nuclear programme.

France's nuclear conservatism

Those hoping that President François Hollande would use a recent speech to break with France's nuclear traditions will have been disappointed.

Japan's defence budget bolsters altered military roles

Japan's rising defence spending is part of an effort by Prime Minister Shinzo Abe to carve out a greater regional security role for his country, commensurate with its status as the world's third-largest economy.