Raqqa after the defeat of so-called Islamic State

What does the recapture of the former IS stronghold of Raqqa mean for the wider Syrian conflict? We hear from the last American ambassador to Syria, Robert Ford.

Also in the programme: the role of drugs companies in America's opioid crisis; and China' s growing investment in Greece.

(Photo: Syrian Democratic Forces fighters celebrate victory in Raqqa. Credit: Reuters/Erik De Castro)