September 12, 2026: Contractor blames Lincoln Memorial pool problems…; Matt Mullenweg returns as Automattic CEO two days…; Norway's Princess Astrid dies two days after…

A calm record of the day’s most important developments. Each item preserves NewsAgo’s concise explanation and links to its developing story page and original publisher reporting.

1. 01

   

   World · 2 sources

   Contractor blames Lincoln Memorial pool problems on itself, not vandals: Report
2. 02

   

   World · 2 sources

   Matt Mullenweg returns as Automattic CEO two days after getting booted

   The readTwo days after being placed on a paid leave of absence, Matt Mullenweg says he has been reinstated as CEO of Automattic, according to a Slack message seen by TechCrunch.

3. 03

   

   World · 2 sources

   Norway's Princess Astrid dies two days after attending brother King Harald's funeral

   The readPrincess Astrid "represented the Royal House in a warm and dutiful manner", the new king, Haakon VIII, said in a tribute to his aunt.

4. 04

   

   Technology · 4 sources

   Anthropic blocks efforts to use AI to research weapons development and carry out cyber attacks

   The readAnthropic has publicly disclosed the biological-research case in a new threat-intelligence report, including that intent could not be resolved before it terminated the activity.

   Why it mattersAnthropic’s shutdown shows that uncertain intent alone can trigger restrictions when research appears capable of contributing to biological-weapon development. The reported cyberattack cases indicate that Anthropic is applying misuse controls beyond biological research.

5. 05

   

   Business · 2 sources

   Can the US battery market untangle from China?

   The readThe supplied reporting identifies a new temporary construction suspension and a year-end capacity review; it provides no earlier policy baseline, affected-project count, or start date.

   Why it mattersNew battery-manufacturing construction in China is constrained until the year-end capacity review is completed. The reporting does not establish whether existing factories, already-approved projects, or battery output are affected.