DEFUNIAK SPRINGS, Fla. -- A huge turtle and a man trying to be a hero caused a multi-car crash in Florida on Tuesday, according to Walton County Sheriff's Office. It happened around 6:45 in the morning on Highway 331 in the Florida Panhandle. Dash camera from an 18-wheeler caught the whole thing on video. The 18-wheeler is driving down the divided four-lane highway when it quickly comes up on several stopped and slowing cars. The 18-wheeler cannot stop in time. It veers off the side of the road and then back onto the road where it collides with several of...