After step back, his company's leaping ahead
As Mikko Nissinen begins his 10th-anniversary season with Boston Ballet this fall, he has transformed the company from a largely conservative classical troupe to one known for a distinctive mix of classical story ballets, neoclassical gems by the likes of Balanchine and Robbins, and contemporary fare. And after addressing serious budget problems, the company is now on stronger footing. The season kicks off Oct. 29 wi…