A group of over 100 millionaires and billionaires from nine countries have published an open letter to government and business leaders, calling for permanent wealth taxes on the very richest to help reduce extreme inequality and raise revenue for sustained, long-term increases in public services such as healthcare. 

The ‘In Tax We Trust’ letter has been penned by a US organisation calling themselves the Patriotic Millionaires, believing it is in the best interests of national ...