Verging on full-blown civil war, Libya may pose an even greater threat to Europe than jihadists in Iraq and Syria, yet the international community has few tools to help resolve the crisis.
The Taliban insurgency may still be raging but the poor state of the economy could pose a bigger threat to Afghanistan's long-term viability, and huge mineral reserves are unlikely to offer a quick fix.
The International Monetary Fund (IMF) is under mounting pressure to cancel the debts of the three poor West African countries hit hardest by Ebola, as their economies stall under the fallout from the disease.
Even after Washington pointed the finger at North Korea for the massive cyberattack on Sony Pictures, some experts say the evidence is far from clear cut.
Fears of a Greek euro exit have returned with a bang after Athens called early elections on Monday, but steps taken after the financial crisis should stop the rest of the currency zone imploding, analysts say.
After 13 years, the United States is winding down its war in Afghanistan, plagued by doubts about what was accomplished at such a high cost.
Sweden may have narrowly avoided snap elections that would have been dominated by a debate on immigration, but with asylum seekers arriving in record numbers the issue is unlikely to stay off the agenda for long, analysts say.
Myanmar's main city is poised to go to the polls Saturday for the first municipal vote in six decades, but observers warn the process is riddled with flaws and could cast a shadow over crucial 2015 general elections.
North Korea may be facing explosive hacking accusations, but analysts are questioning how an isolated, impoverished country with limited Internet access could wage cyber sabotage — and many experts believe China plays a role.
Russian authorities' attempts to jail Kremlin critic Alexei Navalny and intimidate his supporters could backfire and trigger new political protests amid the most serious financial crisis of Vladimir Putin's rule.