CNN has filed a lawsuit against the AI company Perplexity, accusing it of unlawfully copying and distributing its content. The network says it tried to negotiate a licensing deal with Perplexity last year but failed to reach an agreement. Perplexity faces similar legal challenges from other major publishers including The New York Times and the Chicago Tribune. AI-generated summary was reviewed by a CNN editor. CNN is suing Perplexity, accusing the AI company of unlawfully copying and distributin...