The executive director of the George W. Bush Institute, who organized a letter from presidential libraries calling for national unity, previously leaked the now-debunked Steele dossier to reporters during height of the Trump-Russia collusion investigation. David Kramer, who worked in the State Department under President George W. Bush and was an associate of the late Sen. John McCain (R-Ariz.), pushed for the foundations and centers of former presidents to sign a letter about unifying the country. However, in 2016 Kramer provided the Steele dossier to BuzzFeed, which published it without corroborating its allegations that then-President-elect Donald Trump was a puppet...