It was quite a bet: a little-known ballet company from Florida touring Paris for three weeks in the middle of the summer. And yet Miami City Ballet is pulling off some of the most refreshing performances seen here in a while. With 14 ballets scheduled, it may be an unprecedented undertaking for the company’s founder and director, former Balanchine star Edward Villella, but this tight-knit troupe has coped, and the audience’s reaction to the unfamiliar repertoire has been rapturous...