Okay, I’m baffled.
Joe Biden’s estimated approval over at 538 dropped to a new day-end low this week (via the invaluable Taegan Goddard’s Political Wire) at a fairly miserable 37.4%, although it’s since recovered a bit and sits at 38.0% as I write this.
The thing is that for a while this year it appeared that Biden was on a slow uphill path. He spent mu…