Associated Press MURFREESBORO, Ark. – A Kansas woman and her 12-year-old son have a 2.12-carat diamond to take back home with them after a vacation in Arkansas. A news release Saturday from the state Parks and Tourism Department said the pair – Jennifer Jones of Derby, Kansas, and her son Jacob Ballard – found the gem Friday at Crater of Diamonds State Park. Crater of Diamonds State Park is the world's only diamond-producing site open to seaching by the public. According to the news release, Jones and her son found the diamond as they looked near an old mine shaft...