As Cyril Ramaphosa assumed his most commanding expression and waited for the call to start, he had to admit that he hadn’t had the ideal introduction to the video conferencing platform. Two days earlier, Patrice Motsepe, his brother-in-law, had asked him when he was going to try Zoom, and Ramaphosa had thought he’d said Zuma, and he’d spent five minutes explaining that he didn’t know when, exactly, he was going to try Zuma, because there were complex legal and political repercussions for doing so...