Russia’s president Vladimir Putin expected to seize Ukraine easily. Instead he met fierce resistance. Ukraine has fought bravely, Russia poorly. We reflect on lessons learned in the past six months. Angola’s presidential election today is the most competitive since the country gained independence in 1975. And the Edinburgh Festival Fringe turns 75 this year. For full access to print, digital and audio editions of The Economist, subscribe here www.economist.com/intelligenceoffer