In an excellent riposte to the union bashing Tory right and their tabloid mouthpieces, Professor Gregor Gall has written a TUC report highlighting the value of workplace union representatives, featuring a number of case studies including Angela Rayner, UNISON local government branch secretary in Stockport, Greater Manchester:
http://www.tuc.org.uk/tucfiles/206/FacilityTimeSeparatingFactfromFiction.pdf