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Welcome to Tech News briefing. It's Tuesday, January 28th. I'm Bell Lin for the Wall Street Journal.

All this week, we are exploring what President Donald Trump's second term could mean for the tech industry over the next four years and beyond.

The Chinese AI company DeepSeek recently introduced R1, a specialized AI model designed

for complex problem solving, and yesterday it sent shockwaves throughout Silicon Valley and U.S.

stocks. Invida and other tech stocks fell sharply. The model has stunned tech watchers for how it nearly matched

its American rivals, despite using inferior chips. And for some, that's put America's immense

investment into AI data centers and chips into question, including President Trump's, recently

announced Stargate venture with companies including OpenAI,

Oracle, and SoftBank, which have pledged to spend $500 billion on new AI infrastructure.

In his first week in office, Trump also signed an executive order to, quote,

sustain and enhance America's global AI dominance.

WSJ reporter Deepa Sita Rahman joins us to discuss

how the Trump administration could approach AI development

and oversight at a time when the technology is rapidly evolving.

So Deepa, we know that the Biden administration really focused on asserting oversight of AI model development. And before we get into anything else, I want to talk

...