At first sight, reality has demolished two important positions defended over the years by this column: firstly, development of a permanent dialogue between the EU and Russia that will normalise their relations rather than the avalanche of retaliatory measures that are ruinous for both parties; and secondly, the exit of Greece from the eurozone if it cannot abide by the rules.
In both instances, radical change is taking place or is expected, deserving of some consideration. My topic today is...