COLUMBUS, Ohio -- Stagehands helped put together the bones of 20 Chinese dinosaurs that arrived at a science museum without the consultants who were to supervise the assembly. "They were like giant jigsaw puzzles," said John Shaw, traveling exhibitions manager for COSI Columbus. "Fortunately, we had lots of photographs." Shaw and four members of a stagehands union pieced the bones together by hand for what is to be the largest exhibit of Chinese dinosaurs ever to go on display in North America. "Dinosaur Dynasty" is to run Saturday through Sept. 6. The three Chinese consultants from Inner Mongolia who were...