Senator James Paterson says the opposition needs to resolve big questions about its policy positions as quickly as possible. Andrew Hastie says he's heading to the back bench to speak more freely about "things I believe in". The former SAS soldier says he wants the freedom to be more outspoken on immigration by sitting on the back bench. Advertisement AdvertisementAdvertisement AdvertisementIt wasn't surprising that after the largest defeat in the Liberal's history, there would be a period of debate and introspection," Senator Paterson said. Advertisement AdvertisementAdvertisement AdvertisementThe resignation came just days after Ms Ley wrote to her senior team, outlining policy priorities in their portfolios and her expectations about solidarity.