The 'stolen' insider emails that informed Nicky Hager's best-selling account of National's 2005 election campaign return in Alister Barry's (Someone Else's Country) new film - just in time to caution us against campaigning politicians in 2008. Addressing each other like schoolboy Machiavellis, party leader Don Brash and his advisors spelled out how they'd copy the big boys in Australia and the US in order to win the votes of people who'd never support the kind of policies such men are widely presumed to represent. The dividing and conquering began at Orewa.

• Documentary