There are life-threatening weather conditions in Iowa this week. Blizzards brought nearly a foot of snow this weekend and arctic temperatures are expected to continue through Tuesday morning. The winter storm has made some roads impassable‚ which led to the cancellation of several campaign events. And yet‚ rain‚ shine or snowstorm‚ the Iowa caucuses — one of America’s storied political traditions — will see friends and neighbors across the state gather Monday night to choose...