If he acts as if the Wright controversy is behind him, it's over for Obama. The latest polls reflecting Obama’s near-collapse should serve as a morality tale of John Edwards’s two Americas — the political obtuseness of the intellectual elite juxtaposed to the common sense of the working classes. For some bizarre reason, Obama aimed his speech at winning praise from National Public Radio, the New York Times, and Harvard, and solidifying an already 90-percent solid African-American base — while apparently insulting the intelligence of everyone else