Corporate Arrogance knows no end ?

Fired pharmacist sues Wal-Mart over job policy http://drugtopics.modernmedicine.com/drug-topics/news/fired-pharmacist-sues-wal-mart-over-job-policy Could it be that Wal Mart hired this recovered/impaired RPH.. when there was a shortage and when the shortage became a surplus.. changed their corporate policy to eliminate such employees? Will the ADA law prevail ? Is this another example of corporate bullying ?