Britain's political establishment is still recovering from last year's scandal surrounding Members of Parliament and their expenses.
As accounts of lawmakers' extravagant claims were revealed in the press, public anger grew and their popularity nosedived.
Heather Brooke is the journalist and campaigner whose investigations exposed the opaqueness of the expenses system.
She talks to Sarah Montague about the culture of secrecy in Britain and the importance of making public information more accessible.
You can watch the full interview on Thursday 1st April 2010 on BBC World News at 03:30, 08:30, 15:30, 20:30 GMT.
And on the BBC News Channel at 02.30 and 04.30 BST on Friday 2nd April 2010.