voice-over: this is bbc news. we will have the headlines for you at the top of the hour, which is straight after this programme. welcome to hardtalk. i m stephen sackur. of all the world s continents, africa is the one likely to see the greatest transformation in the course of this century. it will likely be home to almost 40% of all humanity by 2100. if, by then, africans have benefited from sustainable development, their global economic power will be enormous. if they haven t, then they could be facing cataclysmic levels of economic and environmental breakdown. my guest is the president of the african development bank, akinwumi adesina, sometimes dubbed africa s optimist in chief . is his positivity realistic or deluded? akinwumi adesina, welcome to hardtalk. it s good to see you, stephen. it s great to have you here. you need the world to believe in a bright african future. how is that going right now? it s going pretty well. if you take a look at the african economic out
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