A knife-wielding squirrel was seen patrolling a backyard fence last week, according to this article in the Toronto Sun. Here’s the video evidence. Fortunately, no one took action and no one overreacted. The squirrel reportedly gnawed on the knife a bit, lost interest, and dropped it to pursue other squirrel-related passions. Everything turned out ok. Not overreacting is important. Get all the facts, and look at the big picture before deciding whether to take action.…