(March 25, 2016, 1:53 PM EDT) -- BATON ROUGE, La. — A federal magistrate judge in Louisiana on March 23 permitted a group of plaintiffs alleging personal injuries to amend their complaint against Exxon Mobil Corp. and granted a motion to intervene sought by former employees of the plant from which chemicals were allegedly spilled (Tonga Nolan v. Exxon Mobil Corporation, No. 13-439, M.D. La.; 2016 U.S. Dist. LEXIS 38303)....