Pope to visit Britain
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Thanks to Fr John Boyle at Caritas in Veritate for some links which I followed up to compare how the various outlets described the genesis of the story.
The Sun "can reveal" it from "Government sources"
Reuters relies on a "Government source"
The BBC has simply "learned" of the news
Sky News, of course has it from its own "Sky sources"
Associated Press has a little more, saying that reporters travelling to New York with Gordon Brown reported the news
The Times, the Telegraph and the Guardian simply report the news as fact.
Since this is apparently to be a full state visit, the official announcement will be made in this country by Buckingham Palace and that will probably be co-ordinated with the Vatican. I'm not sure what purpose was served by a Government source leaking the news to journalists in advance: I suppose someone gained some advantage by doing so. Such is life.