Barack Obama has been making efforts to tamp down donations to independent issue groups in an effort to control the level of negative attacks in the future. John McCain has made statements that he doesn't support 527s either, but the 527s don't seem to have gotten the message:
"We will attack Obama viciously on all fair issues, whether they are national security, whether they are taxes or the economy," promised Chris LaCivita, one of the Republican strategists behind the Swift Boat Veterans for Truth, the group that attacked Democratic presidential candidate John F. Kerry in 2004. LaCivita added: "At the end of the day, every individual has a right to participate in the political process whether John McCain likes it or not. It's their constitutional right."
Read the entire 527 discussion.