The interview that Don Lemon says caused Elon Musk to cancel his partnership with X was released Monday on YouTube. The former CNN host also posted it on X, though he said there had been problems loading it. Lemon said last week that the hourlong interview was “tense at times,” and he shared clips of some testy exchanges. Some big moments: Ketamine use. The Guardian reports that Musk was “openly irritated” by some of Lemon’s questions, including one about his prescription for ketamine. “It’s pretty private to ask somebody about a medical prescription,” Musk said. He said he uses the drug to de…