The source of the quote saying the Trump pressured him to make sure Amazon lost the competition includes a follow up quote from Mattis telling his work group th

The source of the quote saying the Trump pressured him to make sure Amazon lost the competition includes a follow up quote from Mattis telling his work group that they would be doing the acquisition by the book. There is reason to believe that Trump tried illegally influence the award. There is also plenty of reason that he was unable to do so because senior subordinates ignored him and protected the process.