 Scott McFarland, thank you so much for your reporting. It is hard to overstate how critical this week is for the president's reelection campaign. So let's bring in CBS's Ed O'Keefe. And Ed, it seems like each day brings more troubling signs for the Biden campaign. What are your sources telling you? Well, Nora, as a senior campaign official put it to me, quote, there's no question this is the toughest moment we've had of this campaign.