US President Obama has published three articles in top academic journals in one week. Why?
Also on the programme: we look back on Obama’s complicated legacy in Kenya, the birthplace of his father; we examine some evidence that casts Richard Nixon’s presidential legacy in a different light; we meet one of the first female missileers; and we learn about a long lost musical, commissioned during World War II, by the US Army.
(Image: U.S. President Barack Obama signs bills at his desk in the Oval Office at the White House. Credit: Mark Wilson/Getty Images)