The Shakespeare in Washington festival continues this week with the visit of the Kirov Ballet to the Kennedy Center Opera House. This year, the resident troupe of St. Petersburg’s Mariinsky Theater has brought its traveling production of Leonid Lavrovsky’s choreography of Romeo and Juliet. Sergei Prokofiev wanted to premiere the sublime music of this ballet (op. 64) at the Mariinsky in the 1930s, but the theater ultimately balked. The Bolshoi Theater in Moscow also accepted…