Unexpected defeats at rebels’ hands, a cratered economy, a hungry citizenry and a runaway covid-19 epidemic: can anything unseat Bashar al-Assad? When Germany reunified, many worried it would upset the balance of Europe; 30 years on and if anything the country must wield more of its power. And celebrating the centenary of Agatha Christie’s most beloved detective, Hercule Poirot. For full access to print, digital and audio editions of The Economist, subscribe here www.economist.com/intelligenceoffer