When you trace Apple's AI journey back to its roots, the warning signs were there from the beginning. Back in 2018, it looked like Apple's artificial intelligence efforts were finally getting on track when Craig Federighi announced the blockbuster hire of John Giannandrea from Google to head AI. The move felt like a masterstroke—bringing in the executive who had been running Google's search and AI groups, the person behind cutting-edge AI deployments in Photos, Translate, and Gmail. But fas...