Apple has added Tuesdayis Vice Presidential Debate between Dick Cheney and John Edwards to the iTunes Music Store (iTMS). The download is free, and follows the addition of last weekis First Presidential Debate between George W. Bush and John Kerry. Earlier this year, Apple also offered the Democratic National Convention and the Republican National Convention.
The file is technically listed as an Audiobook, and can currently be found on the home page for the iTMS.
Screen shot of the debate download from the iTMS.