One month ago, we broke the news that Harvey, a startup that sells AI-powered legal software, was looking to raise $600 million in funding at a valuation of at least $2 billion. The firm told investors that it planned to use some of the capital to acquire vLex, a 25-year-old legal research firm majority-owned by private equity firm Oakley Capital.As things turned out, though, the acquisition fell apart and the funding round shrank. Harvey is now expected to raise about $100 million in a round l...