US President Trump says Tehran has given in to most of the US's demands, even as it remains unclear whether either side is negotiating. Also on the show: oil is gaining as Iran-backed Houthi militants in Yemen enter the war; Angola is moving to reshape its debt profile after a successful return to international markets; Ukraine is expanding its engagement in the Middle East. Guests include: Samy Chaar, Lombard Odier, Chief Economist & Switzerland CIO; William Roebuck, Executive Vice President