A-score (24.42): Withdrawal from 31 UN groups represents significant policy shift with moderate constitutional implications. Rule_of_law (3) reflects unilateral executive action on international commitments without clear congressional input. Election (2) captures impact on democratic accountability in foreign policy. Separation (2) reflects executive overreach in international relations. Civil_rights (2) accounts for potential impacts on human rights frameworks. Severity multipliers: durability 1.1 (can be reversed but creates precedent), reversibility 0.95 (technically reversible), precedent 1.15 (establishes pattern of multilateral withdrawal). Mechanism modifier 1.15 for policy_change with international treaty implications. Scope modifier 1.25 for international/broad impact. B-score (26.58): High media_friendliness (7) - dramatic headline number. Outrage_bait (6) triggers both isolationist support and internationalist alarm. Novelty (5) - scale is unusual. Layer 2: mismatch (7) between symbolic gesture and actual governance impact, pattern_match (8) fits Trump's established UN skepticism, narrative_pivot (6) shifts from domestic to international focus. Intentionality (9) - clearly strategic positioning on sovereignty narrative. D-score: -2.16 (B slightly exceeds A). Classification: List B - B>=25, D<=-10 not met but B>A with high hype relative to constitutional damage.