Schiff says Vindman left a "mark on our nation’s conscience"

What they're saying: "Right does not matter to Donald Trump," said Schiff, who oversaw the impeachment proceeding in the House and served as chief prosecutor in the Senate trial. "But it matters to you. It matters to this country and to its people. It will always matter."

• "I know that this retirement is not how you envisioned your decorated Army career ending. It should not have ended this way. You should not have been subjected to bullying and retaliation from the President. You should not have had to choose between your oath of office and your career. You followed your patriotic and legal duty to tell the truth."

The big picture: The president fired Vindman in February as the leading Ukraine expert on the National Security Council for being "insubordinate, while top military leaders, including Secretary of Defense Mark Esper, claimed Vindman had not been politically targeted.

Read the full letter.