By Daniel Wiessner (Reuters) -Elon Musk and X Corp have reached a settlement in a lawsuit by four former top executives at Twitter, including former CEO Parag Agrawal, who claim they were not paid $128 million in promised severance pay after Musk acquired the social media company and fired them. The terms of the settlement, which was first announced in a filing in San Francisco federal court last week, were not disclosed. A federal judge on October 1 pushed back filing deadlines and a hearing in the case ...