San Francisco is still waiting for the AI IPOs — the wave of money from Anthropic and OpenAI millionaires and billionaires that is likely to further supercharge the housing market, create a new philanthropic class, and put the city back in the global spotlight.  But in politics, the AI money has already arrived.The first sign came last fall, when Anthropic and OpenAI employees gave in force to two congressional candidates who championed AI safety legislation. Twenty-eight of them — 20 from Anthr...