You'd think chilled borscht pulses in her veins. She's Ninotchka Yoshenka, a lovely yet severe Soviet envoy sent to Paris to rescue wayward comrades from the perils of champagne and capitalism. But there may be a thaw in Ninotchka's Cold War. She meets Steve Canfield, a smoothly brash American who won't take "nyet" for an answer. Fred Astaire and Cyd Charisse recapture the magic of their The Band wagon pairing in this musical based on t