US President Donald Trump sparked a diplomatic row on his visit to Ireland after showing support for a united Ireland. The first comments were in response to a reporter's question during a press conference alongside Taoiseach Micheál Martin, and were backed up again later on. 

Claire gets reaction to this with Former Attorney General and Conservative and latterly Independent MP Dominic Grieve. Also speaking to Claire was Former Irish diplomat, former ambassador to the EU and France, and part of the Good Friday Agreement negotiating team Rory Montgomerie.