Elon Musk's X Corp. is suing the lawyers of Wachtell Lipton Rosen & Katz, alleging the law firm overcharged Twitter by $90m while pushing Musk to complete his takeover of the social media company.Elon Musk's X Corp. is suing the lawyers of Wachtell Lipton Rosen & Katz, alleging the law firm overcharged Twitter by $90m while pushing Musk to complete his takeover of the social media company.