Some debate resources for your perusing pleasure:

• Current TV's awesome Hack The Debate is back. If you're tweeting the debate, throw #current in your tweet and it just might make it on Current's live broadcast.
• The Commission on Presidential Debates' collaboration with MySpace to create an interactive debate-watching experience can be found at MyDebates.com.
• And of course there's C-SPAN's excellent Debate Hub.

And here's a pre-debate bombshell to mull over as we wait to see if McCain is going to be able, as so many feel he needs to, "rattle" Obama:

Early in 2007, just as her husband launched his presidential bid, Cindy McCain decided to resolve an old problem -- the lack of cellular telephone coverage on her remote 15-acre ranch near Sedona, nestled deep in a tree-lined canyon called Hidden Valley.

By the time Sen. John McCain's presidential bid was in full swing this summer, the ranch had wireless coverage from the two cellular companies most often used by campaign staff -- Verizon Wireless and AT&T. [...]

Over the course of the past year, Cindy McCain had offered land for a permanent cell tower and Verizon embarked on an expensive process to meet her needs, hiring contractors and seeking county land-use permits even though few people other than the McCains would benefit from the tower.

Ethics lawyers said Cindy McCain's dealings with the wireless companies stand out because Sen. John McCain is a senior member of the Senate Commerce Committee, which oversees the Federal Communications Commission and the telecommunications industry. He has been a leading advocate for industry-backed legislation, fighting regulations and taxes on telecommunications services.

I sort of doubt Shieffer will ask him about it but if he does, I'm sure McCain will find some way to blame it on Obama.