KITCHENER — A Kitchener father is upset that police arrested him at his children’s’ school Wednesday, hauled him down to the station and strip-searched him, all because his four-year-old daughter drew a picture of a gun at school. “I’m picking up my kids and then, next thing you know, I’m locked up,” Jessie Sansone, 26, said Thursday. “I was in shock. This is completely insane. My daughter drew a gun on a piece of paper at school.” The school principal, police and child welfare officials, however, all stand by their actions. They said they had to investigate to determine whether...