In the midst of school shootings and teen suicide, John Travolta is weighing in on the use of pharmaceutical drugs and psychiatry.  Both Travolta and Tom Cruise have been outspoken on the matter, and their Scientology background has a lot to do with it. It all started when Cruise went on the “Today” show back in ’05 and criticized Brooke Shields for taking anti-depressants to treat her post-partum symptoms.  And John Travolta supports Cruise’s sentime...