Before the invasion of Ukraine, Russia’s armed forces were believed to be lean, modern and fighting fit. We ask why they have performed so poorly. A life sentence for a Turkish activist portends heightened repression as President Recep Tayyip Erdogan heads for a tough election. And celebrating master harmonica player Toots Thielemans on the centenary of his birth. For full access to print, digital and audio editions of The Economist, subscribe here www.economist.com/intelligenceoffer