An electric vehicle charges in Ottawa, on July 13.Sean Kilpatrick/The Canadian Press Tesla, the top electric vehicle maker, and Glencore, the mining company that is the world’s largest commodities trader, came up with an idea two or three years ago that would resurrect the spirit of Henry Ford: Tesla would buy a big stake in Glencore, a deal that would replicate the Ford Motor Company’s model of owning its supply chain. – The negotiations, which were acknowledged by neither side but mentioned in media reports, ultimately went nowhere for unknown reasons. Perhaps Tesla boss Elon Musk did not fancy himself…