Elon Musk's one-armed gesture at Donald Trump's rally on Monday is garnering significant attention online. Billionaire Elon Musk’s hand gesture while he spoke during a celebration of President Donald Trump’s inauguration drew online comparisons to a Nazi salute on Monday, but a leading tracker of antisemitism said it appeared to represent a moment of enthusiasm instead. Musk took the Capital One Arena stage in Washington to huge cheers, pumping his arms and shouting, “Yesssss.” “This was no ordinary victory. This was a fork in the road of human civilization,” he said. “This one really mattered. Thank you for making it...