HAYDEN, Idaho (AP) — A 2-year-old boy accidentally shot and killed his mother after he reached into her purse at a northern Idaho Wal-Mart and her concealed gun fired, authorities said Tuesday. The 29-year-old woman was shopping with her son and three other children, Kootenai County sheriff's spokesman Stu Miller told The Associated Press. Her family had come to the area to visit relatives, he said. The woman, whose identity was not released, had a concealed weapons permit. Miller said the young boy was left in a shopping cart, reached into the victim's purse and grabbed a small-caliber handgun, which...