David Cameron, if he is unlucky and plays his hands badly, could end up as the prime minister who led Britain out of the EU and who was responsible for the demise of the union of Great Britain and Northern Ireland.
Inevitably observers of Japan are disappointed and disillusioned when they see that Japanese leaders in politics and business are failing to confront the demographic threat and promote the changes needed to achieve a positive future for Japan.
The fight against the Islamic State group will not be won solely by kicking Islamic State out of Irag or Syria or Libya. It will be won only if Muslims the world over not only denounce extremism but also propagate tolerance and equality.
Not content with denying involvement in the assassination of Russian opposition leader Boris Nemtsov, President Vladimir Putin has propagated the usual conspiracy theory that the murder was a Western plot.
On the 70th anniversary of the liberation of Auschwitz, we should be mindful that the peace of Europe and of the world could be jeopardized by a return to rivalry between European states and the collapse of the European Union.