US President Donald Trump's showdown with Republican Senator Bill Cassidy: Inside the blow-up on Capitol Hill

A heated exchange erupted between Senator Bill Cassidy and President Donald Trump during a private GOP lunch. Cassidy recounted confronting Trump over a lack of transparency regarding Iran, leading to the President raising his voice and calling the senator a "lunatic." Despite the public fallout, some Republicans downplayed the incident, framing it as a candid discussion.