Tacitus' Log

An AI-generated daily log of what changed and why it matters—plain, reasonably sourced, and unsensational.

Independent digest · Updated weekdays

Tech News

Today’s tech news points to AI systems moving from novelty to infrastructure, with pressure to make them cheaper to run, safer to use, and more trustworthy to judge. That shift raises tradeoffs between performance gains and the governance needed around data use, evaluation integrity, and user protection from manipulation. In parallel, security planning is being pulled forward, forcing earlier decisions about upgrading cryptography and retiring older methods. For readers, the practical lens is operational: what policies, tooling, and migrations need to be in place before deploying AI broadly or relying on it for critical work.
GitHub Blog · 2026-03-25 · Source
From April 24, GitHub will use Copilot Free, Pro, and Pro+ users' interaction data — inputs, outputs, code snippets, and context — to train and improve its AI models unless users opt out.
Ars Technica (AI) · 2026-03-25 · Source
Google introduced TurboQuant, an AI-compression algorithm that can reduce LLM memory usage by 6×. It shrinks the models' key-value cache, boosting speed while maintaining output quality.
Ars Technica (Security) · 2026-03-25 · Source
Google shortened its readiness deadline for "Q Day" to 2029. It urged the industry to adopt post-quantum cryptography and move off RSA and elliptic-curve algorithms.
DeepMind Blog · 2026-03-25 · Source
DeepMind released findings and a validated toolkit to measure AI's harmful manipulation, plus materials for human-participant studies. DeepMind hopes it will help protect people and advance the field.
arXiv cs.AI · 2026-03-26 · Source
An arXiv paper proposes Balanced Direct Preference Optimization (B-DPO) to address overfitting in safety alignment for large language models. Experiments show B-DPO improves safety while maintaining general capabilities on mainstream benchmarks.
arXiv cs.AI · 2026-03-26 · Source
A new arXiv paper proposes an Olympiad-style sealed evaluation for large language models. The authors say this would make strong performance harder to "manufacture" and easier to trust.
Smashing Magazine · 2026-03-26 · Source
The article says internal site search often fails, so users rely on global search engines and the "Big Box" wins. It says UX success depends on content findability, not sheer volume.

Local News

Montana’s policy debates are increasingly centered on how much power the state and local governments should have to set rules that affect daily life, from personal legal status to taxes and large infrastructure projects. At the same time, courts and watchdog reporting are pressing for clearer accountability and public access when government or quasi-government systems—like criminal justice and permitting—operate behind closed doors. For readers, the practical lens is how these choices shift rights, costs, and oversight for residents, local budgets, and communities facing rapid development.
Montana Public Radio · 2026-03-26 · Source
Gov. Greg Gianforte signed a law defining sex as binary and eliminating legal recognition of transgender, nonbinary and intersex Montanans. The House speaker delayed it to avoid tying it to a lawsuit.
Montana Free Press · 2026-03-25 · Source
Montana Supreme Court panel ordered a district court to allow media outlets to weigh in on public access to sealed documents in the homicide case against Michael Paul Brown.
Montana Free Press · 2026-03-26 · Source
Two of four bail bondsmen involved in a fatal Missoula shooting were unlicensed. The bail bond company had been under investigation before the shooting.
Flathead Beacon · 2026-03-25 · Source
Republican legislator Wylie Galt rolled out a constitutional initiative to cap local property tax increases at 2%. It is the third property-tax-cap initiative seeking to qualify for the 2026 ballot.
Flathead Beacon · 2026-03-25 · Source
A Flathead Beacon editorial urges a four-year moratorium on Montana data center projects, saying Northwestern Energy is engaging with companies seeking to build massive data centers.

U.S. Governance

Across federal and state government, courts and budgets are increasingly the arenas where policy fights get decided, from immigration enforcement and policing claims to election rules, market competition, and online liability. The tension is between uniform national standards and local control, with real operational consequences when funding or legal authority is uncertain. Readers can view these developments through who bears the immediate costs—voters, travelers, patients, and communities facing enforcement or discrimination disputes.
NPR - Politics · 2026-03-25 · Source
Lawmakers proposed funding most of the Department of Homeland Security but excluding ICE enforcement, yet President Trump and Senate Democrats declined to embrace it. It comes amid TSA shortages producing long lines and missed flights.
ProPublica - Main Feed · 2026-03-25 · Source
Minnesota sued the Trump administration over ICE's fatal shooting of Renee Good. Prosecutors sent legal letters after the administration refused to cooperate.
ProPublica - Main Feed · 2026-03-26 · Source
Sheriff Jerry Sheridan said his department had eliminated racial bias and asked that a landmark racial profiling court case be dismissed. ProPublica's data contradicts that claim.
U.S. Dept. of Justice - All News · 2026-03-26 · Source
The Justice Department sued New York-Presbyterian Hospital, alleging anticompetitive contract restrictions that limit New Yorkers' access to lower-cost healthcare options. New York-Presbyterian operates eight hospitals and many outpatient facilities in New York City.
NYT - Politics · 2026-03-25 · Source
Some states are preparing for a potential Supreme Court ban on mail ballots arriving after Election Day. A decision could come as late as June and potentially scramble midterm elections.
SCOTUSblog · 2026-03-26 · Source
The Supreme Court unanimously rejected a billion-plus dollar copyright-infringement judgment against Cox Communications. The case is another chapter in content providers' decades-long effort to curb pervasive online infringement.

Global Affairs

Today’s global affairs thread is governments tightening control over cross‑border flows—energy chokepoints, people, and information—while conflict risks and new technologies raise the human and economic costs. The tension is between security and deterrence on one hand, and legal, humanitarian, and rights constraints on the other, with uncertainty about how far escalation and enforcement will go. Readers can view these developments through who bears the spillovers: households facing price and growth shocks, migrants subject to tougher removal pathways, and civilians exposed to evolving attack methods.
France 24 (EN) · 2026-03-26 · Source
Iran and the United States hardened positions as Tehran tightened control of the Strait of Hormuz. The report said this set the stage for potential escalation in the Middle East war.
© Sameer al-Doumy, AFP · 2026-03-26 · Source
The EU Parliament approved a reform letting member states deport rejected asylum seekers to offshore detention centres outside EU borders. Arrivals have fallen, shifting focus to repatriation.
UN News - Global perspective Human stories · 2026-03-26 · Source
A top UN human rights official warned Thursday that danger in Ukraine is only increasing, particularly from attack drones.
BBC - UK Politics · 2026-03-26 · Source
The OECD downgraded the UK's 2024 growth forecast to 0.7% from 1.2%, saying it faces the largest G20 hit from the Iran war. Inflation is also expected to be higher.
BBC - World · 2026-03-26 · Source
Senegal will parade the Africa Cup of Nations trophy before their friendly against Peru in Paris despite CAF stripping them of the title. CAS has received Senegal's appeal.
BBC - World · 2026-03-26 · Source
A Los Angeles jury ruled Google and Meta intentionally built addictive social media. Prime Minister Keir Starmer said the UK will study the ruling and aims to tighten social media regulation.