Demings announcing today that she's ready to challenge Republican Senator Marco Rubio. The Orlando Democrat posting a video message on Twitter with the slogan "Never Tire." The former Orlando Police Chief has represented Florida's 10th District since 2017. Senator Marco Rubio responding to the news with a video message of his own, saying Demings doesn't have a single significant legislative achievement during her time in Congress. Photo credit: Getty Images North America About Florida News