Tucson’s known for natural wonders. But for snowbirds after a different side of the Southwest, the dynamic downtown is emerging as a destination in its own right.

Bret Taylor, the chairman of OpenAI’s board, said the artificial intelligence company was “not for sale.” Mr. Musk is separately raising money for his A.I. start-up, xAI. By Cade MetzMike ...

She was also a TV host and appeared in films. President Trump’s plan would send a huge number of refugees to Jordan, adding new frictions to the kingdom’s often tense, sometimes violent ...

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