How did ex-NSW deputy premier John Barilaro get his $500,000 trade job?

Months after former NSW deputy premier John Barilaro quit politics, he was appointed NSW’s trade commissioner to New York City – a role he created while he was in office. As the first of two inquiries into Barilaro’s appointment begins today, Guardian Australia’s NSW state correspondent Michael McGowan explains to Jane Lee what we know so far about how he was selected for the job