4/5/2017 - Bannon was removed, threatened to quit over removal from NSC post. Source
4/12/2017 - Trump Says He Didn’t Know Bannon Until Campaign, but They Met in 2011. Source
23.2 Relationship with Mercer
4/1/2017 - The filings show that Bannon earned at least $917,000 in the past 12 months, drawing at least $545,000 in the past year from four ventures backed by the wealthy Mercer family, underscoring how deeply enmeshed he has been with the influential Trump mega-donors. Source
23.4 Relationship to Russia
3/21/2017 - The FBI is reportedly set to investigate right-wing news websites like Breitbart over allegations that they worked with Russian-backed operatives to disseminate stories favoring President Donald Trump. Source
4/1/2017 - Bannon has close ties to Cambridge Analytica. Source