REDWOOD CITY, Calif. (AP) - It was circumstantial evidence that led jurors to decide that Scott Peterson planned the killing of his wife. They agreed it was premeditated, first-degree murder even though prosecutors didn't prove where, how or exactly when Laci was killed. The jury did so, legal analysts said, because of the cumulative weight of all the circumstantial factors that pointed to Peterson - not least his alibi about going fishing in San Francisco Bay the day she disappeared from her home in Modesto, more than 85 miles southeast. When her body and that of her fetus turned up...