麻豆约拍

US Treasury Secretary Tim Geithner talks about China's currency and America's deficit. He says the value of China's currency is rising in real terms by about 10% a year, which could add up to a a big change if it is sustained.

Plus, the President and CEO of Mastercard, Ajay Banga, tells Lesley Curwen why he thinks cash is expensive for society.

And the 麻豆约拍's Roland Buerk in Tokyo describes the latest crisis in the sport of sumo wrestling, which has seen cancellation of a major contest and a big loss in earnings.