The only fly in the ointment would be that if Hillary! is on the verge of losing the nomination again--not to O'Malley, a straight white male will never get the Dem nomination again, but losing it to a firestorm of criticism--I would not put it passed (or past) her to order Warren's assassination, so that Hillary! can then step in as the Mourner in Chief and get the nomination.
Warren will be 72 years old on inauguration day 2021. For her, it’s now or never.