Wars may have helped, rather than hindered, human progress.
Berlin finds itself trapped between German conservatives and those seeking financial assistance elsewhere in Europe.
Many militant organizations are using ransoms to fund their operations, but the threat to foreigners is not new.
In northeast Africa, a microcosm of today's world, the risk of interstate water war is never beyond the realm of possibility.
The Tibet issue illustrates the resilience of the nation-state despite growing separatist sentiment.
Although the media has given extensive coverage to possible jihadist sleeper cells, they are too complicated and expensive for groups like al Qaeda and the Islamic State to operate.
Putin must wish America well in its war against the Islamic State, and hope that it goes on for a long time.
Scotland's independence referendum is remarkable in its ramifications for Europe and the rest of the world.
The past year has brought major geopolitical and economic challenges for Russia, and Moscow's thinking has changed accordingly.
The Kurdistan Regional Government has conceded key demands, but both sides retain options that could threaten the arrangement.
The Obama administration has published a series of memoranda on torture issued under the Bush administration.