Do You Have to Work for Peter G. Peterson to Be Cited on Budget Issues in the Washington Post?

That's the question that readers are undoubtedly asking after seeing this piece on President Obama's budget proposals. The piece featured three separate cites from Maya MacGuineas, who is the president of the Committee for a Responsible Federal Budget. (One cite included unnamed "others.") The Committee for a Responsible Federal Budget has received substantial funding from Peterson and his foundation over the years. 

It then turns to an unnamed "GOP aide" who criticizes Obama's "fictitious...