Across America, tree lightings help kick off the holiday season (from CBS) Denver The annual holiday lights illuminate the Denver City/County building as a light snow falls on Tuesday, Dec. 11, 2007. The lights are kept on through the end of the year and then illuminated during the run of the annual National Western Stock Show and Rodeo in January. Boston Holiday lights hang on trees in the Boston Common, framing the Boston Statehouse Tuesday, Dec. 11, 2007. Governor Deval Patrick is wishing Massachusetts residents an energy efficient Christmas this year, instead of conventional incandescent bulbs, the Statehouse Christmas tree is draped in blue light emitting diodes. Washington, D.C. Visitors look at the Capitol Christmas tree after the lighting ceremony on Capitol Hill in Washington Wednesday, Dec. 5, 2007. The 55-foot-tall Balsam Fir from Vermont's Green Mountain National Forest is decorated with 4,000 ornaments and energy-efficient lights.