Do carers who look after family members get a rough deal from the government?

How many people around New Zealand are spending hours upon hours caring for disabled loved ones at their own expense?  Heather is 62yo and spends most of her life caring for her disabled sister. Yet due to red tape she struggles to get the necessary financial assistance, or recognition, from the government. She shares her heartbreaking story. And we've managed to rustle up another Duncan to talk to. That's four and counting...