01/01/2011 3:50PM

Calder: Another bomber

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Any doubt about whether a track bias exists were probably erased after another improbable longshot, Rainbow Cruise, led gate to wire to register a huge upset. Rainbow Cruise held off pace pressing Keal to post a $74.60 shocker in the sixth race.  Remember Sunday Delight also led every step off the way to win the opener at 25-1.  The two favorites, Sadler Power and Quiet Emarati, raced within easy striking distance of Rainbow Cruise but came up empty at the end.    Speed also won the previous race on the grass with Paper Shredder leading throughout and having little trouble hold safe the odds on Cosset through the stretch.