Apparently a Lawrence area company is testing a new cleaning agent for historical landmarks and gravestones. <http://www.ljworld.com/section/citynews/storypr/96060> _____________________________________________________ Dad always thought laughter was the best medicine, which I guess is why several of us died of tuberculosis. -J a c k H a n d y S u s a n H a s t i n g s praeda@aol.com