Mealey's (December 7, 2017, 2:53 PM EST) -- HOUSTON — Defendants in a securities class action lawsuit against a worldwide provider of professional services and technologies within the government services and hydrocarbons industries on Dec. 4 asked a federal judge in Texas to dismiss federal securities law claims because shareholders failed to plead a material misrepresentation, scienter of loss causation (In re KBR Inc. Securities Litigation, No. 17-1375, S.D. Texas)....