Delta's CEO said he asked AI to write a commencement speech. He said he scrapped it and put "pencil to paper." Bloomberg/Getty Images Delta CEO Ed Bastian said he was "curious" about how AI would write a commencement speech. He didn't like the result. The audience clapped when he said he rewrote the speech without AI. The comments come as executives express varying levels of confidence in AI. Ed Bastian said he was curious, so he asked AI to write his commencement speech. He said he didn't like the result. During a May 11 speech to graduating students at Emory University, the Delta CEO said he prompted AI to churn out the script for his address — the result, he said, was "quick," but lacked the required "soul or warmth." "You want to hear from me, not some algorithm of me," he told the graduates. "So, don't worry, I threw it away, and took pencil to paper." The audience applauded. His remarks add to a growing debate among executives over where AI can save time — and what still demands a human voice.…