Jonathan Chait rubs his crystal ball:

The one real landmine here is that the Medicare buy-in provision for people aged 55-65 raises a lot of hackles among medical providers. They could mount a last-minute lobbying campaign to pressure Democrats to abandon this. Indeed, I wouldn't be surprised at all to see that happen. If that happens, you probably lose the Medicare buy-in but keep the trigger. Either way, the outcome is a historic health care bill.

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