Michael Gove is expected to announce a tougher definition of extremism in response to a rise in radical ideology, since the Israel-Gaza war. Are new laws really needed? Or could the current laws, if enforced properly, be the best way to tackle a decline in social cohesion? Natasha Feroze speaks to David Shipley, a film producer and writer and Professor Jonathan Githens-Mazer from the University of Exeter who specialises in counter-terrorism and extremism.