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Boris Johnson's diary with Cameron, Brooks and Murdoch

7 October 2012 Last updated at 13:20 BST

The mayor of London's diary lists more than 7,000 entries, which shows some key engagements were not previously released "for commercial sensitive" reasons.

The Sunday Politics spent more than a year trying to get hold of Boris Johnson's official diary, and succeeded after the intervention of the information commissioner.

Andrew Cryan reports.

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