 Listeria is a foodborne bacterial illness that affects around 1,600 people in the U.S. every year with about 260 deaths. Rebecca Rossman, NPR News. A final major men's golf tournament of the season will crown a champion today. American Billy Horschel is taking a one-shot lead over six other players into the British Open's fourth and final round. He's set to tee off in the final pairing in a couple of hours.