It began with one of the Twitter duels so many in the financial industry appreciate on boring news days. On one side of the spat was Elon Musk, formerly CEO of Tesla – and, according to SEC filings at the time, ‘Techno-King of Tesla and Master of Coin’. On the other was David Beasley, former one-time Republican Governor of South Carolina, now Executive Director of the United Nations World Food Programme (UN WFP), whose mission is to ‘end hunger, achieve food security and improved nutrition by 2030’.