S. 800 — Precision Brain Health Research Act of 2025

1%becomes law moderate confidencepending: Senate reported

Precision Brain Health Research Act — reported and queued, quiet for 311 days; 3% to reach the floor, 1% to become law.

reaches a floor vote

>99%

passes if voted (stage model)

40%

survives downstream

becomes law

The gap: on the floor this would pass — 64% by the member-vote simulation — but the floor is the hard part: 3% to ever get the vote. That gap, not the whip count, is the story.

If it reaches the floor

majority

60 (cloture)

Projected 73 yea of 100 voting; 90% interval 51–97 (quartiles 56–91). Intervals are backtest-verified to cover ~90%.

Filibusterable: the realistic Senate line is 60 votes — P(≥60) = 64% (simple-majority P = 97%).

By floor procedure

No vote is scheduled, so the headline marginalizes over how the Senate would take it up; the branches:

Procedure	Likelihood	Projected yea	Passes
conference	5%	76 [51–98]	96%
passage	95%	73 [50–97]	97%

Receipts

Sponsor: Jerry Moran (R). Latest action (2025-07-30): Committee on Veterans' Affairs. Ordered to be reported with an amendment in the nature of a substitute favorably.
Full record: Congress.gov.

Forecast run predict-20260606T193507Z · models member-vote-1.0.0-t117d118-20260606 + passage-1.0.0-t117d118-20260606 · conditional whip forecasts for the Senate run at moderate confidence (why).