RENO, Nev.—Some people say that art is about self-expression, but for Shen Yun Performing Arts, what they do goes far beyond self-expression. “Most performing arts are very self-centered and me, me, me, me. I don’t care if it’s opera or theater or movies or whatever, but I didn’t see that and I didn’t feel that during this performance today,” said Lane Baxter, a retired soprano who is now a renowned artist. Shen Yun is based in New York and its artists share the mission of reviving China’s 5000 years of culture. To them, performing is about expressing beauty and hope, not fame and reputation. “I felt that every single one of those young people on that stage gave more than just themselves, they gave everything that they had for whatever reason in their background or what they’re trying to achieve. And it’s stunning to watch,” Ms. Baxter said. Although Shen …