Retired Gen. Stanley McChrystal says he wouldn't join the Trump administration.

NEW: Retired Gen. Stanley McChrystal says he wouldn't join the Trump administration.@MarthaRaddatz: "Do you think he's a liar?"

McChrystal: "I don't think he tells the truth."

Raddatz: "Is Trump immoral in your view?"

McChrystal: "I think he is." https://t.co/x96Qc6cru2 pic.twitter.com/mNeSEA6031

— ABC News (@ABC) December 30, 2018