Iran, rising rates and Japanese robots

The historic deal to end the dispute over Iran's nuclear programme has been a highlight of the business news this week, alongside signals from central banks that interest rates are due to be increased soon and the offbeat story of a Japanese hotel run by robots. Developments that dominated the business headlines in a week reviewed by John Edwards of the Wall Street Journal in London and first Sujeet Indap of the Financial Times in New York in conversation with the BBC's Roger Hearing.