visit here, why do it. are you hurting us? no. i don t think they say don t go. what they are saying is look, there is a tremendous amount, in fact we saw the tremendous amounts of ads and attacks on obamacare and on president obama himself. his numbers are down. the consequence is that if you are in a close contest and you are struggling for independence, i don t think any of these folks are going to get republicans. you really don t want to get so close to a polarizing figure that you would drive away those independents and have them see you as a surrogate for president obama. so, it s a hard line political calculus. the decision is right now it might benefit president obama in terms of his overall strategy of saying i m reviving the economy, i m focused on jobs, but it doesn t benefit a kay hagan it doesn t benefit a mary landrieu. the new york times today steve had a big piece about how democrats are worried about early ads funded by koch brothers. democrats should be worri