Biden is their Achilles heel. They know if he's not the nominee that they have no way to fight the coming legal repercussions other than to claim Biden's 'frontrunner' status.
DeepState must have gotten good intel on what the White Hats are about to charge the Biden Family with.
You don't have 2 viable candidates dropping out at the same time and endorsing another without some serious shit going on in the background.
T-16 and counting. There will be no further planned stops of the countdown. All Patriot Systems are go.