Mr Clegg declined to answer and instead responded that the coalition had been created to clear up Labour's "mess".

BBC: Nick Clegg pressed by Labour on Cameron's EU veto

Answer: probably Mr Lafontaine, if the tax programme the coalition has just agreed on is anything to go by.

ECONOMIST: Germany

Home office minister Baroness Browning came under fire as she refused to say, in answer to Labour's Lord Morris of Manchester, whether the coalition had consulted the Police Federation on cuts to police forces.

BBC: Eviction of rioters could be extended

Family members said they were told by coalition officials that the U.S. wanted Aziz to answer a number of questions, not necessarily go to jail.

CNN: U.S. hoping Aziz will talk

One answer, Mrs Lagarde argues, would be to cut taxes, an idea supposedly favoured by Germany's coalition government, which combines Mrs Merkel's Christian Democratic Union with the Free Democratic Party.

ECONOMIST: Germany and the euro

The answer lies with Prithviraj Chavan, chief minister since late 2010 for the Congress party, which heads the national ruling coalition but runs few big states.

ECONOMIST: Cleaning up Mumbai and Maharashtra: The degeneration game | The