I would have to agree—going on FOX really crosses that a moral line. 

Liberal bloggers are expressing outrage over Barack Obama’s appearance this weekend on Fox News, accusing the Democratic presidential front-runner of kowtowing to the network’s conservative viewers, and throwing his online supporters to the wolves.

“This will likely further dismay liberal bloggers who had worked very hard to get Dems to boycott Fox as a way of delegitimizing the network and who already criticized Obama for agreeing to appear in the first place,” Sargent continued.

http://blog.wired.com/27bstroke6/2008/04/obama-distanc-1.html