Published yesterday by the London-based Institute for Strategic Dialogue: 'Review of Programs to Counter Narratives of Violent Extremism: What works and what are the implications for government'. Their explanation:
..it provides an overview of the efforts made to push back on extremist content online, or ‘counter-narratives’. It involved background research and interviews with former violent extremists, policy-makers and civil society activists.
The work was funded by Public Safety Canada. The report is 49 pgs, cases studies amount to half. Link:http://www.strategicdialogue.org/Cou...ivesFN2011.pdf

After years of national and international counter-terrorist action it is remarkable that the report's summary states:
It is important to stress that counter-narrative work as an area of public policy is in it's infancy.
Short of time? There is a short article by Rachel Briggs (co-author) here:http://www.huffingtonpost.co.uk/seba...b_4397982.html