A contractor works on floral arrangements for the State Dinner honoring President Felipe Calderón of Mexico and his wife, Mrs. Margarita Zavala, in the East Tradesman Entrance of the White House, May 19, 2010. 24hrs City Florist (Official White House Photo by Samantha Appleton)This official White House photograph is being made available only for publication by news organizations and/or for personal use printing by the subject(s) of the photograph. The photograph may not be manipulated in any way and may not be used in commercial or political materials, advertisements, emails, products, promotions that in any way suggests approval or endorsement of the President, the First Family, or the White House.