After years of promises, the government still has not detailed how a bill to tackle extremism would work.
A new mathematical model of ISIS supporters' online behavior provides insights into how cyberactivity relates to real-world attacks.
Terrorist attacks that are locally sourced and financed are very hard to detect.
A frank debate about the causes of extremism and terrorism would acknowledge uncomfortable issues like the alienating impacts of racism, Islamophobia and Western military actions and foreign policy.
Talk of a 'clash of civilisations' and targeting refugees simply alienates the people the West needs to reach out to.