Spotlight Falls on London as British PM Admits to Profits From Offshore Firm

British Prime Minister David Cameron has admitted that he had profited from a so-called "shell" company set up by his late father. This follows revelations about the scale of offshore wealth exposed by a leak from a Panama-based law firm earlier this week. But it’s Britain’s wider role in the system of offshore finance that is coming under greater scrutiny - as Henry Ridgwell reports from London.