麻豆约拍

The latest allegation against the financial giants that dominate the global capital markets is that they have been rigging the international currency markets. We try to make sense of the allegations - how might traders have profited, and are the claims of collusion plausible?

Also, Evan Davis interviews the American author and intellectual Malcolm Gladwell about his latest book David and Goliath, which claims that too many people blindly chase prestige, and that supposed underdogs enjoy far more advantages than many appreciate.

And our regulator contributor from the Financial Times, Lucy Kellaway, talks about the apparent German obsession with backache.