One of the advantages that the American Right has achieved from investing tens of billions of dollars in media – from talk radio and cable TV, to print and the Internet – is the ability to define what is and what isn’t a “scandal,” a powerful factor in determining who wins national elections.

By comparison, American progressives have short-changed their own investments in media. The disparity leads to the spectacle of Democratic presidential candidates submitting to questioning on Fox News while no one would expect a Republican leader to undergo interrogation from, say, the DailyKos.

While Sen. Obama has to explain what he knew and when he knew it about Wright’s angry sermons, the Bush Family floats above its financial and political associations with the Rev. Sun Myung Moon, a South Korean theocrat who had denounced the United States as “Satan’s harvest” and likened American women to “prostitutes.”