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Governance and control

Connor Leahy urges a verified international ban on superintelligence

In Canadian Senate testimony, Leahy argued that opaque frontier development and competitive pressure make uncontrolled superintelligence a national-security risk. He proposed a trust-but-verify international prohibition backed by domestic enforcement and sanctions, while opposing a broad slowdown of data-centre development.

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CURRENT ASSESSMENT · REVISION 1
TOWARD DOOM22confidence 58/100

Why it moved the index

The testimony adds a specific, attributable mechanism linking opaque frontier competition to loss-of-control risk and proposes a verification and enforcement regime. Its forecast and preferred remedy remain contested rather than empirically demonstrated, which limits confidence and magnitude.

Assessment history

  1. R1
    Toward 22 · confidence 58

    New historical evidence from a full official parliamentary transcript, consolidated against Leahy's earlier substantially overlapping testimony.

    13 Aug 2026

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  1. DoomBench assesses “Connor Leahy urges a verified international ban on superintelligence” as evidence moving toward doom, with magnitude 22 and confidence 58 out of 100 in the governance and control category.

  2. The DoomBench assessment of “Connor Leahy urges a verified international ban on superintelligence” is based on reporting from Senate of Canada and records the editorial rationale, source quality, attribution, and revision history.

  3. DoomBench summarizes “Connor Leahy urges a verified international ban on superintelligence” as follows: In Canadian Senate testimony, Leahy argued that opaque frontier development and competitive pressure make uncontrolled...

    https://www.doombench.com/news/connor-leahy-urges-a-verified-international-ban-on-superintelligence-2026-04-15