After the deluge of secret documents made available by the website Wikileaks we discuss whether governments can - and should - keep secrets from their voters.
Jonathan Powell was Tony Blair's chief of staff from 1997-2007. He says that leaks such as those witnessed this week can put lives in danger and eventually make the business of government less accountable: politicians simply stop writing things down.
Heather Brooke is a journalist and freedom of information campaigner who takes the opposite view. She says that leaks are not the problem; they are the symptom of secretive governments that over-classify documents which should be in the public domain.
Also this week: as Vince Cable decides whether or not to abstain on his own proposal to increase tuition fees, we discuss how far collective responsibility can stretch in coalition governments.
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