Adversarial re-check confirms the prior rating. (a) SOURCE AUDIT: all three cited sources are real and actually support the outcome. The GovInfo bill text (BILLS-118s4845is) was fetched directly and confirms S.4845, 'Prescription Drug Affordability and Access Act,' sponsored by 'Mr. Booker (with Mr. Sanders),' containing the exact promised mechanisms: 'There is established within the Department of Health and Human Services a bureau, to be known as the Bureau of Prescription Drug Affordability and Access,' plus the compliance backstop authorizing HHS to 'authorize the use of any patent, clinical trial data, or government-granted exclusivity by an entity for purposes of manufacturing such prescription drug' when a manufacturer refuses the reviewed price. The Booker press release was fetched directly and is dated July 30, 2024, with the quoted language verified verbatim. The congress.gov URL is a real bill record but blocks automated fetching (HTTP 403); I independently verified the identical action record via the authoritative GovInfo BILLSTATUS bulk-data XML, which shows exactly two actions, both July 30, 2024: 'Introduced in Senate' and 'Read twice and referred to the Committee on Health, Education, Labor, and Pensions' — no hearing, no markup, no committee or floor vote, not enacted. No source was invented or misquoted. (b) NEUTRALITY: Booker is the lead sponsor and author, not one of many cosponsors — the bill had a single cosponsor (Sanders), and the press release title itself ('Booker Reintroduces...') shows repeat leadership across Congresses. Under the same standard, a Republican senator who authored and introduced a bill matching their promise's specifics, which then died in committee, would also receive CHAMPIONED. (c) LADDER CHECK: not FULL (never enacted); above ATTEMPTED, which describes merely voting for something someone else drove — Booker wrote and led this. The one genuine adversarial mark against him is follow-through: the bill drew no additional cosponsors, never moved out of HELP, and I found no 2025-2026 press release on his Senate site referencing it, consistent with the prior finding of no 119th Congress reintroduction. That tempers but does not displace CHAMPIONED, since the promise is a 2024 promise and he led the effort within that cycle. Confidence 0.88 (primary-source verified on both bill substance and legislative record; slight discount because the absence of a 119th reintroduction rests on a negative search rather than a keyed API pull I could reproduce).