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Many revolutions fail. They run out of ammunition or leaders or popular support. We hear a lot about the revolutions which succeed. History is written by the winners. But we hear much less about the failures – the promises of change which don’t materialise. Read more

For a long time it has looked as if the large-scale gas finds in the eastern Mediterranean would be stranded. The Leviathan field, located 80 miles off Haifa in Israel, which holds some 16tn cubic feet of gas was discovered five years ago but remains undeveloped and is not even completely defined. Israel has enough gas for its own needs from the smaller Tamar field, and politics and economics have combined to deter any of the wider development options. Now though a new option is emerging which makes development much more likely. The gas can be sent to Egypt. The move is rich in irony but it makes commercial and political sense. It could also mark an important moment of change in relationships across the region. Read more

A pro-Kremlin rally in St Petersburg. OLGA MALTSEVA/AFP/Getty Images

The conventional wisdom is simple – business and politics are two separate worlds, which should not mix. Corporate leaders should not be involved in anything that smacks of political activity. Business exists to make money not policy.

That is the mantra – and it is wrong. In two weeks time the St Petersburg International Economic Forum is due to meet. Business leaders should be there and should have the nerve to tell Vladimir Putin what he doesn’t want to hear.

The St Petersburg forum is President Putin’s answer to Davos – a prestige event designed to show that Russia is a key part of the global economy. As the FT reported last Friday, the US government does not want business leaders to attend. Valerie Jarrett, Mr Obama’s adviser, has been calling CEOs telling them not to go, as part of the process of demonstrating that after what has happened in Ukraine, Russia is isolated and friendless. Many are taking her “advice”. In Europe the position is more ambivalent. European sanctions on Russia are soft and the rhetoric from Berlin and Brussels even softer. Many European leaders seem to regard Ukraine as Russia’s sphere of influence. There is little appetite for bringing the country into either the EU or Nato. In contrast to Russia, Ukraine cannot afford to employ the lobbying skills of Gerhard Schröder and his ilk. Read more

Energy storage has long been regarded as something close to a holy grail. Of course, there are ways of storing some forms of energy – using pumped water or compressed air for instance. There are conventional batteries – and there have been advances in their capacity over the last few years. But the search for storage systems which are simultaneously economic and practical for use at scale in the modern energy market has long been a source of frustration.

Recent advances made by scientists in the US suggest, however, that real progress is now being made and that major breakthroughs are close. The whole of the energy sector should be watching because any such breakthrough could transform the economics of the whole industry. Read more

Week by week Scotland seems to slip away. The reaction to the fiasco at the CBI demonstrates just how sensitive business is to involvement in politics. But the future of the United Kingdom is a matter on which business should have a strong and clear voice. In its absence the momentum behind the cause of independence will grow. Read more