Langston has co-written a documentary with filmmaker Peter Young about conservation and the commercial fishing of the Antarctic toothfish in the Ross Sea .
Langston is a former TV3 current affairs reporter and Kiwi music buff .
Langston , a former TV3 current affairs reporter and Kiwi music buff , has co-written a documentary with filmmaker Peter Young about conservation and the commercial fishing of the Antarctic toothfish in the Ross Sea .