Thanks to low taxes in the Northern Territory, more than 40 betting companies call Darwin home.

That makes the NT's gambling regulator the de factor national regulator but some say it's not up to the job.Also, could skate parks help reduce youth crime?

Plus, Tony Armstrong has been investigating sport's racism problem and how to solve it.Listen now:

01:55 - NT politicians call for a gambling review

12:30 - Could skate parks help solve youth crime?

16:25 - Tony Armstrong on confronting sport's racism problem

Guests:

• Dr Charles Livingstone, gambling researcher, Monash University
• Tony Armstrong, End Game presenter and former footballer

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