The flood of presidential debates comes to broadcast TV for the first time this cycle Sunday. The contenders for the Republican nomination will participate in a 90-minute Q&A from Iowa on the Sunday
morning "This Week with George Stephanopoulos" on ABC. ABC News' Stephanopoulos will moderate with help from a reporter at a leading paper in Iowa, site of the first caucus in January. Candidates Rudy
Giuliani, John McCain and Mitt Romney will attend, and the debate will air nationally as a 90-minute version of the Sunday talk show. --David Goetzl
