BUSH CALLS FOR PRAYERFUL THANKSGIVING (White House-AP) -- President Bush departs Washington today to spend Thanksgiving with his family at their Texas ranch. In a presidential proclamation, Bush says he and the American people "thank God for the blessings of freedom and prosperity." The president says it's a day "to share the spirit of understanding and unity, and of prayer, as we express our thanks for the many blessings we enjoy." At a Rose Garden ceremony yesterday, Bush said that "in this nation of many faiths, we ask that the almighty God continue to bless us and to watch over us." And he said Americans pray that oppressed people abroad will also someday live at peace in a free society.