The Intelligence: They thought it was Sall over

Macky Sall, Senegal’s president, has said he would not stand again. So what to make of the move to delay the election until December? Our correspondent says that many artificial-intelligence researchers think fakes will soon become entirely undetectable (10:11). And as football manager Jürgen Klopp steps down at Liverpool, we ask why being a leader is so very tiring (18:03).