President Obama has finally had it with Russia. It only took eight years of cold reality – topped off by the Russian interference in the November election – to make the outgoing president almost clear-eyed about the Kremlin.

Not that Obama is ready to admit error. Asked by George Stephanopoulos on Sunday if he under-estimated Vladimir Putin, Obama said no, he had only missed how cyber-hacking could be used to meddle in our electoral system – in other words, it was a technical mistake, rather than a fundamental mis-assessment of a foreign adversary.

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