On Sunday, June 21, Atlanta police were called to a disturbance at the airport involving former interim UFC lightweight champion  Dustin Poirier . “The Diamond” was taken into  custody  after being aggressive with airport staff.  Video  of the incident later emerged revealing a drunken Poirier threatened police officers. In an interview with “The Diary of a CEO,” Poirier opened up about the incident and revealed that he struggles with depression