LONDON (Reuters) - Frozen squirrels, angry wasps and obstructive potatoes were among some of the reasons given by motorists to support their insurance claims, Norwich Union said Monday. Freak incidents involving animals top the list when it comes to bizarre claims, closely followed by those involving food. The squirrel motorist said the frozen animal had fallen out of a tree and crashed through the windshield while another driver blamed a wasp sting on the leg for a sudden surge in acceleration and a bump with the car in front. One driver even blamed a potato stuck behind the brake pedal...