Underlying optimism at RBS

While Royal Bank of Scotland has reported another loss, the results are distorted by accounting noise. The actual business is getting better, even though the economic background is mediocre. Lex's Edward Hadas and Richard Stovin-Bradford discuss whether the banking crisis is now in the past. The Lex video is an experiment in financial journalism that aims to give you an insight into the debates that shape each day's Lex column.