AdvertisementBannon: 'It's A Season Of War Against The GOP Establishment'03:39Download AudioResumeOctober 14, 2017Jessica TaylorfacebookEmailFormer adviser to President Donald Trump and executive chairman of Breitbart News Steve Bannon speaks at a campaign event for Republican candidate for the Senate in Alabama Roy Moore on September 25, 2017, in Fairhope, Ala. (Getty Images)