how much is sterling silver diamond ring: On Saturday night, there were separate mass shootings near South Africa's two largest cities.

Overview: Trump and tech leaders sign "morally-binding" AI "constitution" in safety push

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CBS News' Megan Cerullo has more.

The White House has defended them as “public service announcements” and drawn comparisons to past examples of administrations that created PSA's to highlight new drug coverage under Medicare and signups for the Affordable Care Act exchanges.

After meeting with a group of major tech leaders on Tuesday, he stuck with that position.

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

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Ian Lee has details from the court.

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Badly wounded and alone in Iran's desert, downed U.S.

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police say five men were arrested on suspicion of preparation of a terrorist act after three vehicles were spotted near an air base the U.S.

Ian Lee has details from the court.

It's the second time the U.S.

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