The Ukraine crisis shows that all of Europe should pay more for Nato – Scotland included

Barack Obama will touch down in Estonia today, in a visit designed to reassure the tiny states of the Baltic that whatever happens in Ukraine (where a permanent ceasefire has apparently just been announced), they won't be next to have Vladimir Putin's armies marching into them.

The difference, of course, being that while Estonia, was once a satellite of the Soviet Union like Ukraine, today it's a proud member of Nato, and benefit from Nato's three musketeers-style policy that an attack on one is an attack on all.

It will no doubt be a touching scene, a tiny, newly independent democracy getting a timely pat on the back from its tough new big brothers.

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