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Anthropic : Anthropic releases Sonnet 5.5, saying it generates outputs 30%+ faster than Sonnet 5 and costs up to 30% less per task, and plans to release Haiku 5.5 soon   —  Sonnet 5.5 is a faster, lower-cost complement to Claude Opus 5.5.  Where Opus 5.5 is built for complex work requiring careful judgment …

White House chief of staff Susie Wiles is opening up about the grueling reality of fighting breast cancer while holding one of Washington's most demanding jobs, revealing that some days simply getting out of bed and going to work took all the strength she had. In an op-ed published Sunday in USA Today, Wiles described what it was like to undergo chemotherapy while continuing to lead the White House staff for President Donald Trump.  The disease occupied her thoughts from the moment she woke up and sometimes even while she slept, she wrote. "Fighting cancer is brutal and unrelenting," Wiles wrote. Questions about treatment, test results and what might come next could overtake even a strong mind. At times, she acknowledged, they overtook hers. CANCER-RELATED BRAIN FOG MAY IMPROVE WITH 2 SIMPLE TREATMENTS, SCIENTISTS SAY Some days, Wiles said, she poured her strength into fighting the disease. On others, getting out of bed, getting dressed and going to work was its own test...

New York Times : How AI's acceleration created a global policy vacuum, as EU AI Act enforcement lags and regulators remain torn between harnessing AI and fearing its risks   —  Ursula von der Leyen, the president of the European Commission, gathered senior officials for an exclusive meeting at a 19th-century palace outside Brussels this month.

Shirin Ghaffary / Bloomberg : Q&A with Mustafa Suleyman on recent AI safety incidents, risks of removing guardrails while testing 10x-larger future models, a cross-industry safety body, more   —  The software giant's AI chief also thinks the government should help “drive” the process of evaluating models.

Sen. John Fetterman , D-PA, triggered a wave of laughs at a speaking event on Saturday after mistakenly referring to himself as a "lifelong Republican." Fetterman made the statement while on stage at the Texas Tribune Festival, going on to quickly correct himself and assert that he has no reason to abandon the Democratic Party. The moment came when an attendee at the event asked why Fetterman doesn't run as an independent. MAVERICK DEMOCRAT SURGES WITH REPUBLICANS AS HIS OWN PARTY TURNS ON HIM, STOKING TALK OF GOP SWITCH "Because I’m a lifelong Republican," he said, realizing his mistake. "I guarantee you that will break through. That will get clipped." Fetterman gave a keynote address earlier in the event where he elaborated on his criticisms of both the Republican and Democratic parties. FETTERMAN WINS PRAISE FOR 'GUTS' AFTER GOING TOE-TO-TOE WITH JON STEWART OVER ISRAEL SUPPORT "I don’t have a reason to," Fetterman said of joining ...

Pranshu Verma / Washington Post : Sources: US and Russian diplomats worked to weaken an AI weapons pact at the UN this month, removing a requirement that humans review AI-generated targets, more   —  The two nations weakened a range of safeguards in a landmark U.N. effort to try to regulate the use of lethal autonomous weaponry.