Former Obama CIA Director John Brennan responded to a tweet by President Donald Trump on Saturday decrying the ‘Russia withc hunt’ investigation with an ominous tweet calling for Trump’s cabinet and inner circle to turn on him. While Brennan stopped short of explicitly calling for the invocation of the 25th Amendment, impeachment or an outright coup to remove Trump from office, his language strongly implies such actions.

Trump tweeted Saturday at 7:33 A.M. EDT, “[email protected] Poll numbers plummet on the Democrat inspired and paid for Russian Witch Hunt. With all of the bias, lying and hate by the investigators, people want the investigators investigated. Much more will come out. A total scam and excuse for the Dems losing the Election!”

Brennan responded precisely an hour later, speaking to Trump in a manner of an agent trying to crack someone, then switching to addressing indirectly those who could remove Trump from office. Notably, Brennan does not mention Vice President Pence.

“Your fear of exposure is palpable. Your desperation even more so. When will those of conscience among your Cabinet, inner circle, and Republican leadership realize that your unprincipled and unethical behavior as well as your incompetence are seriously damaging our Nation.”

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Your fear of exposure is palpable. Your desperation even more so. When will those of conscience among your Cabinet, inner circle, and Republican leadership realize that your unprincipled and unethical behavior as well as your incompetence are seriously damaging our Nation. https://t.co/n6ivjOYxzo — John O. Brennan (@JohnBrennan) June 23, 2018

Section 4 of the 25th Amendment:

Whenever the Vice President and a majority of either the principal officers of the executive departments or of such other body as Congress may by law provide, transmit to the President pro tempore of the Senate and the Speaker of the House of Representatives their written declaration that the President is unable to discharge the powers and duties of his office, the Vice President shall immediately assume the powers and duties of the office as Acting President. Thereafter, when the President transmits to the President pro tempore of the Senate and the Speaker of the House of Representatives his written declaration that no inability exists, he shall resume the powers and duties of his office unless the Vice President and a majority of either the principal officers of the executive department or of such other body as Congress may by law provide, transmit within four days to the President pro tempore of the Senate and the Speaker of the House of Representatives their written declaration that the President is unable to discharge the powers and duties of his office. Thereupon Congress shall decide the issue, assembling within forty-eight hours for that purpose if not in session. If the Congress, within twenty-one days after receipt of the latter written declaration, or, if Congress is not in session, within twenty-one days after Congress is required to assemble, determines by two-thirds vote of both Houses that the President is unable to discharge the powers and duties of his office, the Vice President shall continue to discharge the same as Acting President; otherwise, the President shall resume the powers and duties of his office.”

A Politico Magzine article by Joshua Zeitz published in January argued the 25th Amendment would not apply to Trump, no matter how much his opponents desire, unless he became incapacitated.

…Forged in the shadow of John Kennedy’s assassination, amid heightened Cold War tensions, the 25th Amendment was designed to address serious lapses in the Constitution’s provisions for presidential succession. Specifically, it was designed to protect the government from random occurrences like sudden illness or a failed assassination attempt. Its framers might have agreed that it could be invoked to remove a president who suffered mental illness that led him to lapse into a state of delusion or unreason. But not a president who already demonstrated those traits when the people, in their wisdom, elected him to office. It didn’t occur to Congress that Americans might need an amendment to protect themselves from their own poor judgment. …It’s comforting to think that the 25th Amendment provides us reprieve from our own folly. But it doesn’t, or at least, it probably shouldn’t. Americans who “just couldn’t vote for Clinton,” who saw no difference between the two major parties, or who couldn’t be bothered to vote at all are stuck with him. And so are the rest of us. Of course, there’s another mechanism to remove a president. It’s equally messy but much more clear cut. If Americans are really that determined to unseat the president, that’s the one they should be focused on.”

With the economy roaring, the ISIS caliphate smashed, the judiciary being reshaped with conservative judges, the government being reorganized and deregulated while the Mueller investigation has yet to find evidence of Russian collusion, Trump’s cabinet and GOP leadership are showing no signs of turning.