Following the appointment of Robert Mueller as special counsel to investigate alleged links between Russians and Donald Trump's election campaign, Joshua Rozenberg finds out what the role of the special counsel involves, how he will go about his work and how the White House will be affected by the probe.

Also in the programme: the BBC's Delhi Correspondent, Sanjoy Majumder, reports on the reaction to a recent Indian Supreme Court decision which has upset drinkers and liquor store owners - but pleased those affected by drink-driving accidents.

And, as the African Union prepares to meet later this month, Joshua talks to a leading South African-based lawyer about the fierce debate taking place on whether African countries should continue to be part of the International Criminal Court.