New York Times: “The 48 hours after the debate were a frenzied campaign within a campaign to save Mr. Biden’s suddenly teetering candidacy, a multiday damage-control effort to pressure and plead with anxious Democratic lawmakers, surrogates, activists and donors to stand by the president, the party’s presumptive nominee…” “For now, the divide between the party’s most active supporters and its voters, who for more than a year have voiced concerns about the 81-year-old president’s fitness for another term, remains as large as ever.