Under the Collins campaign's own rules, anything written in the comments of a blog is representative of those who run the blog.
So since the Maine Web Report is run by Collins' director of online communications, we can say this comment essentially came out of Susan Collins' mouth:
Arthur Frain, Portland ME
Aug 14th, 2007 at 7:58 pm
You know what this country needs? Another terrorist attack. Take out SF or some other city full of dirty libs, and then the country will rally behind the GOP for protection.
Yeah, this is a ridiculous game, but if they insist on playing it...
(And yeah, I've got a screenshot for when they try to delete it and pretend it was never posted.)
In any case, thank god we have a Democrat in the race, Tom Allen, who doesn't have supporters praying and hoping for another devastating terrorist attack. And we have a Democrat who doesn't mind if Republicans want to videotape him on the campaign trail.