Nishad Singh, the political advisor of ex-FTX Capital’s CEO Gabe Bankman-Fried, told a US court that Bankman-Fried appeared “on edge” and ” grinding his teeth” when they met in May 2017. Singh added that Bankman-Fried seemed to be on “edge” as he was grinding his teeth and closing his eyes. He also said that Bankman-Fried…