From my latest post at Patreon:
The DUP-Conservative alliance that emerged from the 2017 election might seem like a natural one given the long history of the 'Orange card' as a Tory expedient at Westminster.
There is however an equally long record of conflict between the British establishment and the the particular strand of unionism represented by the DUP.
One significant episode in this story came to light in 1976, when DUP leader Ian Paisley complained in the Commons about the activities of intelligence officials at the Northern Ireland Office. (Full story)