WCBU's On Deck has everything you need to know to start your day for Thursday, July 15, 2021. Our top story is about how the American Red Cross says a surge in elective surgeries as society re-emerges from the COVID-19 pandemic is taxing local blood supplies more than usual this summer. You'll also hear from Bloomington Attorney and Lincoln scholar Guy Fraker, who talks with Charlie Schlenker about a letter written by Abraham Lincoln that he donated to the Abraham Lincoln Library and Presidential Museum in Springfield.