The August 5 Republican Debate It was Mitt Romney and Rudy Giuliani's big day at the special Sunday morning Republican debate Share Tweet 10 of 9 View All More Stories The June 28 Democratic Debate Shawn Thew / EPAFormer Sen. John Edwards, Sen. Barack Obama and Rep. Dennis Kucinich participate in the All American Presidential Forums on PBS, which was hosted by radio and television personality Tavis Smiley, at Howard University in Washington D.C., June 28, 2007. *