Robert F. Kennedy, assassinated 50 years ago, began his career as a conservative anti-communist. At the end of his life, he was transformed into a liberal who championed civil and workers' rights.
Fifty years ago Elvis Presley sang a tribute to Martin Luther King, Jr: "If I Can Dream." English professor Robert Morrison goes back to that moment and looks at the lyrics written in honour of MLK.
Africa’s immediate challenge is to develop closer partnerships with those opposing US President Donald Trump.