Lauren Feiner is a senior policy reporter at The Verge, covering the intersection of Silicon Valley and Capitol Hill. She spent 5 years covering tech policy at CNBC, writing about antitrust, privacy, and content moderation reform. “I know a bubble when I see one.” That’s what Sen. Elizabeth Warren (D-MA), who led the push to create a new consumer financial regulator in the wake of the 2008 recession, told a crowd at a Vanderbilt Policy Accelerator event in Washington, DC on Wednesday. Warren warned of what she called “striking” parallels to that crisis in the AI industry. While she believes the technology has “enormous potential,” she warned that AI companies’ massive spending and borrowing practices are creating a tinderbox and Congress should step in. Though the AI industry has grown rapidly, Warren said the pace isn’t keeping up with their spending, requiring them to borrow from opaque sources like private credit funds, without the same kind of regulatory oversight that traditional banks face.…