 Complete the following phrase:  On 20 August 2018, in an on-stage book festival interview in Edinburgh, Varoufakis pressed Jeremy Corbyn, head of the British Labour Party, to be a bit more ambitious and become involved in the international progressive movement, saying We need a progressive international. On 13 September, Varoufakis penned an op-ed piece in The Guardian about the need for an international progressive movement, alongside a similar piece by fellow progressive U.S. Senator Bernie Sanders. On 26 October in Rome, Varoufakis announced the Progressive International, which was described as a common blueprint for an International New Deal, a progressive New 