When 10-year-old Anyi Kesler couldn't get in to a free Yo-Yo Ma concert, she wrote a letter to the editor of the Chicago Tribune. Yo-Yo Ma read the letter and responded. Anyi Kesler of Wilmette ...

But because of a recent letter, the soon-to ... grateful the event drew such a large crowd, but regretted that for safety, many were turned away. “When Yo-Yo learned of Miss Kesler’s ...