Ramaphosa enjoyed a brief wave of sympathy after his White House ambush but he is a problematic leader, writes Sizwe Mpofu Walsh.

Iranian and U.S. negotiators resumed talks on Friday in Rome to resolve a decades-long dispute over Iran's nuclear ambitions, Iranian media reported, despite Tehran warning that a new deal might not be possible amid mutually exclusive demands.

US President Donald Trump confronted South African President Cyril Ramaphosa in the Oval Office with a forceful, reality-TV style ambush. After cordial greetings, Trump abruptly ordered the lights to be dimmed and played a video.