When children who attend the McHenry County school gathered in the gym last week to brighten friends and parents with holiday cheer, they sang of lighting candles for Hanukkah, gave their rendition of a Jamaican folk song and even did their lists for Santa. But their songs never mentioned Christ or the Christmas story--an omission that drew swift criticism from Christian groups pushing public schools to remember the meaning of Christmas. "The reason for the season is Christmas," said Dave Smith, senior policy analyst for the Illinois Family Institute, a Christian organization. "At least some equal time would have been...