david levinthal. guest: to your question, i have not read the specific article you cited but i will take it under advisement and check it out. the point you were making and your question, that plays back to the fact that campaigns and political operations have been using negative advertising for many, many decades, many, many years. going back on television, of course. what is different this time around as many of those assets previously were coming from the campaigns themselves off. when an advertisement that was very negative was going on the air, it was the campaign that was funding or behind that. not always the case, but definitely the case many times. it is still happening today, but largely it has been the super pa cs that have been using the bulk of their money to promote negative advertising. this is true for the restore our future super pac for mitt romney. and it is important to note that really the landscape of campaign finance is changing. they are the bad cops of this election. not all s