Hot Talk presenter Azana Francis cross-questions Dusty Amroliwala, Deputy Vice Chancellor, University of East London (UEL), Imran Hossein, UEL Students’ Union President, and Tom Slater, Spiked Online, on where to draw the line on free speech, and how to combat the threat of radicalisation on campus, following news that infamous IS executioner ‘Jihadi John’ was radicalised at a London university.