But over the years, the former congressman’s views have often aligned with those of his potential boss, Robert F. Kennedy Jr. — particularly on vaccine safety.

Donald Trump’s pick to be health secretary, Robert F. Kennedy Jr. has reached a pinnacle of power after a life of fame and addictions and a career intertwined with conspiracy theories.

Defense Secretary Lloyd J. Austin III stripped his appointee of plea deal authority in a memo on Monday, which the Pentagon has not yet made public.

President-elect Donald Trump’s plans to install loyalists have left officials fearful that he intends to carry out his threats of retribution but hopeful that rule-of-law norms can hold.

A Biden administration rule that imposed minimum rules on nursing levels may not survive, even though many homes lack enough workers to maintain residents’ care.

The Trump cabinet is mostly complete — at least until the official nomination and confirmation process — and it is quite a picture.

The world is braced for disruption from the president-elect, but he may find more common ground with President Biden than many assume.

The so-called Department of Government Efficiency, with Elon Musk as co-leader, has advantages that past budget-cutters did not, but laws and court challenges can still make change slow and difficult.

Democrats were badly outflanked online in the election, and progressive influencers are now trying to create networks to be a left-wing answer to Turning Point USA.

The president-elect’s team said it would disclose its donors’ names and not take donations from foreigners, but it isn’t legally bound to adhere to those promises.

The president made his usual stops, expressing gratitude for progress toward peace in the Middle East and urging Americans to stay hopeful.

Israel’s offensive against Hezbollah and the cease-fire to stop the fighting in Lebanon have left Hamas increasingly isolated.

The Americans released, among others, a Chinese intelligence officer who was serving a 20-year sentence in the United States.

His siblings have long retreated from the inner circle, but the president-elect’s eldest son has made a name for himself as the person who can best assess loyalty to the Trump political brand.

Even as President Biden brokers a cease-fire in Lebanon, President-elect Donald J. Trump is running his own foreign policy without waiting to be sworn in.

Robert F. Kennedy Jr. and other candidates for top health posts are at odds with the drug industry, setting the stage for tense battles over regulatory changes.

The discussion between President Claudia Sheinbaum of Mexico and the president-elect came after Mr. Trump threatened tariffs unless Mexican authorities stopped migrants and drugs from coming across the border.

The president-elect has long been critical of Mr. Zuckerberg’s social media platforms, saying they censor conservative viewpoints.

A Trump transition team spokeswoman said law enforcement officials had “acted quickly to ensure the safety of those who were targeted.”

President-elect Donald J. Trump’s selections to run the nation’s health agencies are alarming infectious disease experts.