The Pennsylvania Democratic Primary

The oft-discussed demographic divide between Senators Clinton and Obama seems to have persisted in yesterday's Pennsylvania primary. In short, Clinton dominates among white women, the elderly, those without college degrees, union members, and (apparently) more religious voters. Alternatively, one could also argue that Obama is penetrating these voting blocs (Clinton's margins are decreasing, despite the highly publicized Jeremiah Wright and "bitter" controversies). This table by Jay Cost helpfully summaries the divergence in the Ohio and Pennsylvania primaries: