Internal Democratic discord has wounded President Joe Biden’s massive social spending plan, raising the prospect that the package could stall out, shrink dramatically — or even fail altogether.

Myriad problems have arisen. Moderate Senate Democrats Joe Manchin (W.Va.) and Kyrsten Sinema (Ariz.) continue to be a major headache for party leadership’s $3.5 trillion target. The Senate parliamentarian just nixed the party’s years long push to enact broad immigration reform. House members may tank the prescription drugs overhaul the party has run on for years. And a fight continues to brew over Sen. Bernie Sanders’ (I-Vt.) push to expand Medicare.

And today, Biden interrupts his mission to rescue his agenda in Congress with a mission to rescue his agenda with world leaders.

He’ll speak at 10 a.m. before the U.N. General Assembly to an audience far more skeptical about his insistence that “America is back” than they were in the afterglow of Donald Trumps loss, which was (mostly) celebrated around the world.

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Raghu Manavalan is the host of POLITICO's Playbook.
Jenny Ament is the senior producer for POLITICO Audio.
Irene Noguchi is the executive producer of POLITICO Audio.

Sept. 21, 2021: Double trouble for Biden