It looks like Joe Biden has made his choice for a running mate, except we weren’t supposed to know about it yet:
Notice the article says August 1st, which is coming up on Saturday.
It sounds like the Biden campaign is working with Politico to make the announcement and Politico screwed up and accidentally hit publish. Either that, or Politico is just trying to prepare for all possibilities. But it seems unlikely it would have a specific date on it and a specific quote from Biden.
Politico acknowledged they screwed up: