In case you were wondering if today's media shenanigans were an op or not, here's the proof.

Mass mailers take time to write, even for email. Each contact that the campaign makes to its list costs $, so every one is measured twice and cut once, so to speak. Thread: No one bangs this out in an afternoon with some pizza and fires it off to the tens of thousands of people on the DNC/Warren mailstring. Certainly not on a Sunday afternoon.

So the email was planned to go out in advance.