The Rockettes, the longest-running precision dance company in America and a beloved symbol of the holiday season, are celebrating 100 years on stage. Founded in St. Louis in 1925, the troupe was originally known as the “Missouri Rockets.” By 1933, they’d moved to New York, settled into their Radio City Music Hall home and launched the annual Christmas Spectacular, changing their name to the now-famous “Rockettes” along the way. A mainstay of American entertainment, the Rockettes have performed a