When did the newspaper, of which David Dinsmore is a former editor, become a tabloid ?
David Dinsmore (editor): David Dinsmore (born 2 September 1968) is a Scottish newspaper executive and a former editor of "The Sun" newspaper. The Sun (United Kingdom):  As a broadsheet, it was founded in 1964 as a successor to the "Daily Herald"; it became a tabloid in 1969 after it was purchased by its current owners.
i don't know