Florence Bissett, left, who lost her son Kenneth, is comforted by Hope Asreslky, who lost her daughter Rachel, as they picket at the Pan Am building in Manhattan on Monday, August 21, 1989. Two hundred seventy people were killed in the Dec. 21, 1988 disaster over Lockerbie, Scotland, which was caused by a terrorist bomb. (AP Photo/David A. Cantor)