Jeremy Grantham, the investor who called the dot-com crash and the 2008 housing collapse, on Diary of a CEO:"The AI bubble is the biggest bubble in American history. It is bigger even than 2000."Read who is saying it. Not a doomer podcaster. The man with the receipts on the last two.The engineers riding this wave still get paid. The companies still hire at half a million out of school. But he is selling.He has seen this exact pattern twice before. Both times the workers at the top of the ladder