Lib Dem revels in a life of grime

MP turns MC: Mr Lamb is keen on promoting Tinchy Styder's career

By day Norman Lamb walks the corridors of Westminster; by night he becomes an impresario of grime, a form of urban music sweeping the UK.

The Lib Dem health spokesman has become involved in the career of up-and-coming artist Tinchy Stryder, who works for his son's recording company.

Mr Lamb, MP for North Norfolk, attends gigs, has offered his car for lifts and even invested