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Overview: Defense Secretary Pete Hegseth ordered institutions like the Military Academy at West Point and the Naval Academy in Annapolis to stop granting tenure to civilian faculty, in his latest change to military higher education.

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WATCH: Instagram AI adds a new twist to relationship ‘soft launches’

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Predictions that AI could destroy humanity in a few years are irresponsible and not based on science, Nvidia's co-founder told CBS News.

In a surprising turn in Lindsay Clancy's first hearing since her mistrial in early September, her lawyer, Kevin Reddington, argued that there was no evidence she killed her kids.

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Transportation correspondent Gio Benitez reports on elevated airfares as industry analysts warn travelers could be stuck paying higher fares for months, even if fuel prices fall.

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WATCH: Holiday airfare prices hit highest levels in a decade

WATCH: Nor'easter leaves trail of damage from New York to Maine

In his first interview about his new book, "Swan Song: Diana, My Sister," Charles Spencer talks about his attempt to set down what he calls the definitive story of Princess Diana.

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