As the number of Americans stricken with an extreme stomach problem grows, these people are coming forward to say how bad the illness is. Doctors say the culprit is lettuce and other produce tainted with a parasite, though it's a mystery where it came from. Families coast to coast are taking extra care to wash their fruits and vegetables. Ann Mercogliano has what you need to know to stay safe. And we're learning more about the final days of Lindsey Graham. Among his final words were, “I can't die now.” The South Carolina senator and close ally of President Trump passed away suddenly from a ruptured aorta. But there were warning signs something bad was happening. Plus, it's the story making headlines across the country: a man was thrown in the air by a charging bison inside Yellowstone National Park. Today we're learning more about the tourist who went airborne. He's a grandfather with a long grey beard, and as Justin Finch reports, not only does he look like Santa Claus, he plays him during the holidays. And remember the poor pooch in the stands at a baseball game, forlornly looking at someone else's hot dog? He went back to the stadium and proved that every dog really does have his day.