Boeing whistleblower John Barnett “didn’t seem depressed” at dinner on the evening before he was mysteriously found dead in his car ... Lawyers, family friends and witnesses all say the 62-year-old was upbeat about finishing off giving testimony against his former employer in Charleston, South Carolina, and raised suspicious as to whether he’d take his own life. An employee who works at the Holiday Inn where Barnett was found dead in the parking lot told ... seemed fine on the evening of Feb. 8.... He didn’t seem upset at all,” ... Barnett was due to give a third day of...