(May 31, 2016, 12:51 PM EDT) -- PHILADELPHIA — Counsel for two whistle-blowers and Allergan Inc. on May 17 told a Pennsylvania federal judge that they have agreed in principal to settle the relators’ False Claims Act lawsuit (United States of America, ex rel. Herbert J. Nevyas, M.D., et al. v. Allergan, Inc., No. 09-532, E.D. Pa.)....