Greg Barton
Greg Barton
Greg Barton is chair in Global Islamic Politics at Deakin University's Alfred Deakin Institute for Citizenship and Globalisation in Australia.

Authorities need to clamp down on hate speech and incitement of hatred. Don’t forget, the worst ever terrorist attack by an Australian took place in Christchurch, New Zealand, but it was very much made in Australia, says Greg Barton.

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