T-Mobile, which is seeking regulatory approval to acquire Sprint, said the deal with Sweden’s Ericsson will allow T-Mobile to start delivering the first 5G nationwide network in the U.S.

A Google executive widely regarded as one of the company’s top minds in artificial intelligence is stepping down, after less than two years on the job, the company said in a blog post Monday. Fei-Fei Li will be replaced by Andrew Moore, a former Googler who currently heads up the school of computer science at Carnegie Mellon University. Earlier this year, Li found herself at the center of an internal debate over whether Google should have agreed to participate in Project Maven, a Pentagon effort…

Japanese chipmaker Renesas is buying San Jose-based Integrated Device Technology in a cash deal worth $6.7 billion, the company confirmed late Monday. Shares of IDT jumped another 11 percent ahead of the opening bell on Tuesday. They’re up about 24 percent since late August, when details around the potential deal first emerged. Renesas will buy IDT for $49 per share in cash, largely financed through bank loans. The deal is subject to regulatory approval in Japan, the U.S. and other major markets. IDT…

The Northeast Portland psychiatric hospital is working to correct safety problems in order to retain its federal certification.

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