QPAC International Series, Brisbane, June 27 and June 29 The Bolshoi’s pairing of Yuri Grigorovich’s Spartacus and George Balanchine’s Jewels could not be more fascinating. They were made only a year apart, in 1968 and 1967 respectively, and come from the hands of men with a common lineage but different destinies. Their shared birthplace tells the story. Grigorovich…