Kevin O’Leary has issued a sharp reality check for investors banking on the artificial intelligence (AI) boom, warning that the United States is critically unprepared to power the technology it pioneered.500 Gigawatt GapIn a direct-to-camera statement, the O'Leary Ventures chairman argued that while AI productivity is currently propping up the S&P 500, the U.S. energy grid is dangerously stagnant compared to China's aggressive expansion.O’Leary identified the physical power grid as the single biggest threat ...