Three candidates for mayor of Louisville will debate Wednesday at Bellarmine University.University spokesperson Carla Carlton says the event will be a mixed-format debate. In the first segment, the candidates will face questions from a panel."There's David Hawpe, formerly of the Courier-Journal, and John David Dyche and then the third seat will be rotated among a group of the Governor's Scholars," she says.The candidates will ask each other questions in the second segment, and make closing statements in the third. The event begins and 7 and is open the public. Carlton says Bellarmine is expecting about 600 people to attend.This is the third debate of the general election campaign, but only the second to feature three candidates—Democrat Greg Fischer, Republican Hal Heiner and independent Jackie Green. It will be the first time the three will ask questions of each other.