PEEK

UPDATE: McCain to Debate Tonight (Hopes Country Forgets His Promise Not to Until 'Deal is Done')

McCain will participate in tonight's debate.
This just in: McCain will participate in tonight's debate.

From the McCain campaign:
The McCain campaign is resuming all activities and the senator will travel to the debate this afternoon.
"Resuming all activities?" We hadn't noticed that they'd stopped any.

UPDATE: From Amanda Terkel over at Think Progress:

CNN anchor Tony Harris points out that McCain had originally said he that he would suspend his campaign "until a deal is done on this":