Thursday, October 25, 2007, 8:00-9:30 p.m. ET

Judy Woodruff moderates the second of two live debates among the major parties' presidential candidates. This debate, featuring Republican presidential candidates, will be presented live from the Orpheum Theater in Sioux City, Iowa.

Note: The first debate, featuring Democratic presidential candidates, will be presented live from the Adler Theater in Davenport, Iowa, on Thursday, September 20, 2007.