Future Fund Managing Partner Gary Black took to Twitter on Sunday to condemn “disillusioned” Tesla Inc (NASDAQ:TSLA) enthusiasts who labeled him a “short-term speculative trader” for trimming his position in the EV company. What Happened: In his post, Black stated that he aims to provide “realistic commentary” on Tesla’s volumes, earnings, and valuation. “I enjoy healthy, spirited debates backed by facts and figures. But when you resort to name-calling or personal attacks (e.g., you’re a short-term speculative trader; nothing could be further from the truth), I draw the line,” Black wrote. He …