Another reported death in December caused by dense fog. Scott Nelson, 42, was transported to Mercy Medical Center-Dubuque, where he was pronounced dead, according to the Iowa State Patrol. According to state troopers, a semi-tractor trailer driven by Kendall Tews, 45, of Palmer, Iowa, was eastbound on U.S. 20 at around 2:45 p.m. when it struck the rear of a car, causing both vehicles to go into...