PEARISBURG, Va. (AP) -- A cargo van filled with cages carrying more than 700 gerbils, rats, mice and other rodents overturned Thursday, sending the animals scurrying onto a highway and sparking a bizarre large-scale rescue of the small animals. The accident occurred when the van, driven by Thomas Marcinko of Zanesville, Ohio, hit an icy patch of U.S. 460 and ran off the left side of the road, hit a guardrail, overturned and slid onto the shoulder. The animals, being transported in plastic cages, made a break for freedom. "We caught probably 20 or 25 outside the vehicle. We caught...