US President Donald Trump said Friday that no American government officials would be attending the Group of 20 summit this year in South Africa, citing the country’s treatment of white farmers. Trump had already announced he would not attend the annual summit for heads of state from the globe’s leading and emerging economies. US Vice-President J.D. Vance had been scheduled to attend in Trump’s place, but a person familiar with Vance’s plans who was granted anonymity to talk about his schedule...