`The Blue Room'

NEW YORK Let's get down to what most people want to know about"The Blue Room," the London play that has brought Nicole Kidman toBroadway.

Yes, Kidman, in various stages of demure undress, is just aboutperfect, physically and otherwise. The play, unfortunately, is not,despite director Sam Mendes' highly kinetic production that racesthrough 10 short scenes of seduction.

Arriving Sunday at the Cort Theater on a tidal wave of burblingsfrom the British press, "The Blue Room" is a chilly, neon-litmeditation on sex that playwright David Hare has freely adapted fromArthur Schnitzler's "La Ronde."The production has a stainless-steel heart, despite Kidman'smagnetic …