What are these sick bastards doing behind Canadians backs?

It raises many questions but most important is "What are these sick bastards planning that is so secret they must redact a document". What is so clandestine that the people of Canada are kept in the dark about?

David Cameron's 'top-secret' visit to Canada revealed

Access to Information request results in redaction of name of British PM on official visit to Canada

The Privy Council Office, it seems, is working hard to protect the identity of those who visit the prime minister.
According to documents recently released under Access to Information, the name of an individual who paid an official visit to Canada in September 2011 must be withheld because it is considered "personal information."

• As It Happens: Exposed! David Cameron's, er, (REDACTED) visit to Canada

Owing to an apparent clerical error, however, CBC News has uncovered the identity of the mystery world leader in question. One page in the batch of documents was printed in duplicate: one time with names blanked out and the other with the names readable.

The documents (included below), show the deletion was meant to be "Prime Minister Cameron," presumably referring to British Prime Minister David Cameron.

http://www.cbc.ca/news/politics/david-cameron-s-top-secret-visit-to-canada-revealed-1.2639945