In late November 2021, as officials at the National Archives were trying to persuade former President Donald J. Trump to return a trove of records he had taken from the White House when he left office, one of Mr. Trump’s associates advised him in the sharpest terms possible to give the materials back, newly unsealed documents show. “Whatever you have, …

European Union regulators on Monday threatened to fine TikTok over potentially addictive features on a version of its app called TikTok Lite, which was released to work more smoothly on slower wireless networks. The E.U. investigation adds to TikTok’s regulatory challenges as the U.S. Senate prepares to vote on a bill that would order the app’s owner, the Chinese internet …

In February, Nemat Shafik, the president of Columbia University, told the school’s senate that she sensed a “low level of trust” in the administration. There was a feeling, Dr. Shafik said, that “the administration is the enemy,” according to the minutes of her meeting with the senate. If the campus distrusted Dr. Shafik two months ago, the relationship is now …