Why are the Kinahans suddenly selling so many of their properties in Dubai? Conor Gallagher, Crime & Security Correspondent with The Irish Times joined The Last Word to discuss. Catch the full chat by pressing the 'Play' button on this page.

John Gibbons joined The Last Word to discuss the way in which ancient fir trees are allowing scientists to measure climate change. Catch the full chat by pressing the 'Play' button on this page.