Well now, they're trying to tie Edwards behavior with John McCain. The latest meme occurs here:

I think Edward's affair will cost John McCain points in the polls
http://www.democraticunderground.com...esg_id=6613861

Why McCain should be terrified that Edwards' affair is in the spotlight...
http://www.democraticunderground.com...ss=132x6614423

Carol McCain...the wife John McCain callously left behind.
http://www.democraticunderground.com...esg_id=6610022

John McCain's adultery WAS different from John Edwards. . . . . McCain DID NOT REPENT!
http://www.democraticunderground.com...ss=132x6614386

There are more, but you get the idea. The first thread is by Frenchiecat whom I believe is some kind of party volunteer.