"The strongest case against Trump may come from his own people"--those who served with him in the White House and members of his own party, who have seen him up close.
(Excerpts--the offices are those held under Trump)
"He will always put his own interests and gratifying his own ego ahead …” Bill Barr, U.S. Attorney General
"… undermined American democracy baselessly …” Thomas P. Bossert, Homeland Security Adviser
"A person who admires autocrats and murderous dictators...has nothing but contempt for our democratic institutions, our Constitution, and the rule of law.” John Kelly, 1. Secretary of Homeland Security 2. Chief of Staff
"...I think he's a terrible human being." Mick Mulvaney, held various posts, including acting Chief of Staff
"...renders coherent foreign policy almost unattainable.” John Bolton, National Security Advise