Tolstoy may be right about happy and unhappy families, but in ballet, it works the opposite way: All good ballets are different from each other and all bad ones are alike, at least in one crucial respect - they're all empty.

All happy families resemble one another, each unhappy family is unhappy in its own way.

The heart of the classical repertory is the Tchaikovsky-Petipa 'Sleeping Beauty,' and no ballet is harder to get right.

Twyla Tharp set her sights on ballet, and ballet, hungry for major talent, succumbed.

Paul Taylor's 'Offenbach Overtures' has lots of zip and charm, and its pair of dueling soldiers in red, who end up starry-eyed about each other while their disgusted seconds take up the quarrel, is nonstop funny.

Melissa Barak, an ex-City Ballet dancer and sometime choreographer, has put together an unspeakably dopey and incompetent mess called 'Call Me Ben,' combining ultra-generic dance, terrible dialogue and disastrous storytelling, about the founding of Las Vegas by the gangster Bugsy Siegel, who insists, violently, on being addressed as 'Ben.'