President Trump says the US will hit Iran "very hard tonight" and is again threatening to take control of Kharg Island, the hub that handles most of Iran's oil exports. The threat comes just days before G7 leaders will meet in France. In advance of that summit, Christiane spoke with Dominique de Villepin, France's former Foreign Minister, Prime Minister and a potential contender in next year's presidential election. 

Also on today's show: tennis legends Martina Navratilova & Chris Evert; Byron Allen, host of "Comics Unleashed"