Amanda MacKerrow is retiring from American Ballet Theatre this week. “McKerrow’s performance of the title role in Giselle tomorrow will cap a career of uncommon distinction. She has interpreted just about every leading role in ABT’s repertoire of story ballets… She rocketed to worldwide renown in 1981 when, at 17, she became the first American ever to win a gold medal at the famed Moscow International Ballet Competition.” She danced with ABT for 23 years.