Derek Scally on the shock resignation of Annegret Kramp-Karrenbauer (or AKK), Angela Merkel's anointed successor, as leader of joint-ruling party CDU. AKK's authority had been undermined by the striking of a deal, against her wishes, between the CDU and the far-right Alternative for Germany party at the regional government level. What does the affair tell us about modern German politics? Derek Scally is on the line.

And Suzanne Lynch reports from Manchester, New Hampshire where votes will be counted tomorrow in the state Democratic primary, a key contest for some of the leading presidential hopefuls. But why is it being ignored by others?