From Edward Lucas in the Daily Mail:

Deep in the flat and featureless landscape of eastern Ukraine, it is all too ­possible that the outline of World War III is taking shape.

We are soon to face a bleak choice. We can chose to surrender any responsibility we have to protect Ukraine and the Baltic states — almost certainly Putin’s next target — from further Russian incursion. Or we can mount a last-ditch attempt to deter Russia from furthering its imperial ambitions.

If we do choose to resist Putin, we will risk a terrifying military escalation, which I do not think it an exaggeration to say could bring us to the brink of nuclear war.

Read the rest of the article here.