A war of words has broken out between German Chancellor Friedrich Merz and US President Donald Trump, with Trump threatening to withdraw US troops from some European countries. Shona Murray of Euronews joins Fran to explain the background to the row and why it's not likely troops would withdraw any time soon. 

Later, Professor of Ecclesiology, Massimo Faggioli of TCD discusses the different strands of Christianity influencing the White House and how the intervention of Pope Leo recently was a defining moment for the Papacy.