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Overview: President Trump and the leaders of the country's largest artificial intelligence companies have signed a set of voluntary safety standards, as calls mount for tighter guardrails on powerful AI technology.

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ban of hundreds of millions of dollars worth of Canadian products took effect on Tuesday, pinching imports from one of the top U.S.

The Trump administration has weakened fuel efficiency standards for new cars.

9/29: The Takeout with Major Garrett

They are investigating a possible link to Iran, Russia or non-state militant groups.

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CBS News' Lilia Luciano has more.

Trump and major AI executives sign "morally binding" voluntary controls

WATCH: Stars of Outlander prequel preview season two and where they would time travel to

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Former Hurricane Polo is expected to bring heavy rain and flooding to parts of the southwestern United States.

Bureau of Prisons ordered to restore its union's contract

Another Trump loyalist helping lead probe into Trump investigations resigns

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