Among the hundreds of American artificial intelligence startups launched in the last few years, those founded by China-born entrepreneurs exercised a unique advantage: They could hire less expensive, talented engineers based in China. Now, as the geopolitical battle between the U.S. and China increasingly extends to AI, these startups are scrambling to sever ties with their homeland.One example is two-year-old Opus Clip, whose generative AI video-editing tool allows creators like Scott Galloway ...