Several raise concerns that disclosing their donors exposes them to political attack but others warn not doing so can prompt legitimate questions about influence Get our breaking news email, free app or daily news podcast Australia’s biggest thinktanks are deeply divided on whether disclosing their financial backers is in the public interest, with several raising concerns that efforts to keep them secret may be undermining trust in the sector. Three influential policy groups that together receive almost $20m in donations a year refuse to reveal their key donors, including those whose commercial interests may overlap with their public advocacy campaigns. Continue reading...