CLEAN: Iran, world powers set for in-depth talks in Baghdad

The transcript outlines the goals and expectations for upcoming meetings aimed at achieving a comprehensive negotiated solution to restore international confidence in the peaceful nature of Iran's nuclear program. It highlights the importance of future meetings, including discussions with Doctor Julie Lee, to ensure progress in a concrete manner.

Who is Doctor Julie Lee, and what role does he play in the discussions?

What does the speaker mean by 'moving forward in a very concrete way'?