Sources detail the efforts by Facebook executives to accommodate Trump's posts, starting in 2015 with a Trump video calling for a ban of Muslims entering the US (Washington Post)

Washington Post:
Sources detail the efforts by Facebook executives to accommodate Trump's posts, starting in 2015 with a Trump video calling for a ban of Muslims entering the US  —  Starting as early as 2015, Facebook executives started crafting exceptions for the then-candidate that transformed the world's information battlefield for years to come.

via Techmeme