It's not an unusual sight. And it's not a pretty sight. Plastic jugs filled with urine are becoming a common sight along the highways, particularly at freeway interchanges. "You wonder what's happening in our society," said Karen Cagle, who supervises highway cleanup crews in Eastern Washington. From March 4 to Nov. 27, 2002, one Adams County highway cleanup crew picked up 2,666 jugs of urine and 67 bags with human excrement in them. That's just one crew out of about 40 crews working in Adams County, and Cagle hasn't yet tallied the results for 2003. But the problem isn't limited...