Kinley Salmon, an Africa correspondent based in Dakar, shares insights on the pandemic's impact in Africa, highlighting the looming public health challenges posed by Long Covid and vaccine distribution hurdles. John O'Sullivan, The Economist’s Capital Markets editor, unpacks predatory trading in volatile markets, illuminating how some traders exploit crises for profit. Additionally, they discuss the troubling rise of plastic pollution in oceans and its unintended consequences for marine life, underscoring urgent environmental concerns.