What is the future for UK-US relations?
British Prime Minister David Cameron has said he wants diplomats to use every opportunity to win orders for UK firms on the last day of his US trip. What will his visit achieve?
Speaking in New York, David Cameron has promised to transform British foreign policy so that it is focused primarily on promoting UK businesses abroad.
Since Mr Cameron's arrival in the US on Tuesday, a row has erupted over the release of the Lockerbie bomber, Abdelbaset Ali al-Megrahi.
Both Mr Obama and Mr Cameron have condemned the decision to free Megrahi.
Does a "special relationship" still exist? What impact will the BP oil spill and the Lockerbie bomber's release have on UK-US relations? Should the relationship focus on the promotion of business?
Listen to Radio's 4 Today programme: Special Relationship "still important".