South Africa's leaders stay focused on building business and bridges on their trip to the US, despite bubbling outrage back home over Donald Trump's ambush of President Ramaphosa. Also, Togo's first showing at the Venice Biennale explores the country's architectural heritage. And, two cousins from a rural town in Eswatini have become unlikely country music stars – not only in their home country, but also in Nashville, the heart of the genre.