May 3, 2014
UPDATE: Actually, several updates from Patterico at the above link, including:
A reader has just confirmed that a user can save a data set and give it any name they wish — meaning that the “3 meet with Potus” language may have been generated by a user and cannot be considered authoritative. The data is accurate: Obama’s debate prep guy Ron Klain and two other debate prep people visited to conduct “debate prep.” But it can’t be ruled out that the “debate prep” was for Biden.
We still don’t know where Obama was after that. All we know is: he was not in the Situation Room.
Read the whole thing,