A South Carolina man is facing execution by firing squad Friday — the first execution of its kind in the U.S. since 2010 and just the fourth firing squad execution since the death penalty resumed in the country 49 years ago. When the clock strikes 6 on Friday evening, 67-year-old Brad Sigmon is scheduled to walk into the death chamber, be strapped into a chair and have a target placed over his heart, unless the governor or the U.S. Supreme Court grants him a last-minute reprieve. He could say last words before a hood is placed over his head and...