Since the Arab spring the country has vastly expanded its military and diplomatic efforts—filling an evident power vacuum and harking back to the days of the Ottoman Empire. Tanzania’s economy was recently upgraded to “middle-income” status, but our analysis suggests something is fishy in its data. And why an Athens hotel will have two floors lopped off its top. For full access to print, digital and audio editions of The Economist, subscribe here www.economist.com/intelligenceoffer