OpenAI's Sam Altman defends Stargate expansion as demand for AI soars

CNBC’s MacKenzie Sigalos reports from Abilene, Texas, where OpenAI CEO Sam Altman defended the company’s sweeping Stargate expansion. Altman argued the unprecedented buildout is the only way to keep up with surging AI demand, even as critics raise concerns about bubbles, strained power grids, and whether the growth is sustainable.