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Point taken Joan -- Obama needs to change his fighting strategy.
However, re: fairness of ads and effects on the Democratic Party -- Robert Reich's post on the Clintons and the use of Reaganism may be useful to everyone. I thought it was perfectly on point:
http://robertreich.blogspot.com/2008/01/bill-clintons-old-politics.html
And for those of you who might not remember, Robert Reich was Clinton's Secretary of Labor. Well-respected and always, I find, a voice of sage reason.