Crimea punishment: A Russian airfield in ruins

The airbase in Crimea lies in ruins. Ukraine hasn’t claimed credit, many suspect they carried out the daring attack more than 100 miles behind enemy lines. Our defence editor explains why the war has entered a new phase. Why state-owned firms, not oil supermajors, are the biggest impediment to a green-energy transition. And pondering the pleasures of barbecue.

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