The Sixth Circuit Court of Appeals, sitting en banc, has decided that a worker suing under the Americans with Disabilities Act ("ADA") no longer must prove she was fired solely because of her disability, but instead need only show that her employer would have kept her "but for" her disability. Lewis v. Humboldt Acquisition Corporation, Inc.

Susan Lewis was employed as a registered nursed at Humboldt Acquisition Corporation, Inc., ("Humboldt") from July 2004 until March 20, 2006, at which time she was allegedly terminated for a profanity-laced outburst directed at her supervisors. Lewis filed a suit in federal …