Democrat U.S. Senator Bob Casey and Republican U.S. Senate nominee Dave McCormick have agreed to attend an exclusive prime-time debate hosted by Nexstar Media Inc. on October 3 at 8 p.m. at their studio in Harrisburg. The debate will air in the Johnstown/Altoona/State College market. Additionally, all radio stations throughout the commonwealth will be provided free access regardless of their market. The debate will be moderated by Capitol Bureau Reporter Dennis Owens.