Are Christmas Trees, Menorahs Religious Symbols?

America in the midst of our holiday season -- a time for family, rest and hotly contested litigation over religious displays on government property. For this year's installment, we have a "tree lighting event" hosted by the Parent Teacher Association of the Carmel River Elementary School, a public school in Northern California. The event is a pretty standard holiday affair and included decorating the tree on school grounds. What could go wrong?