A wider leadership shakeup at Hyundai’s electric air taxi startup Supernal is underway just a few weeks after it paused work on its vehicle program and its CEO and CTO left, TechCrunch has learned.Supernal’s chief strategy officer Jaeyong Song and chief safety officer Tracy Lamb are no longer with the company, the startup confirmed Friday. Lina Yang, the chief of staff to Suprernal’s recently-departed CEO Jaiwon Shin is also out. (Yang had previously served as Supernal’s “Head of Intelligent Systems” until ...