ACLU argues pregnant women wrongly returned to Mexico

Civil rights groups are demanding an investigation by Homeland Security's watchdog into the practice of sending pregnant women back over the U.S.-Mexico border to wait out their asylum claims.Pregnant women have been forced to sleep on the floor and were provided inadequate food and water in U.S. custody, only to then be sent to Mexico, where their medical needs are largely ignored unless they are in labor, according to the complaint filed Friday by the American Civil Liberties Union and Texas C