From an article by Hadley Arkes:
….In the season of politics upon us now, we are faced again with the question of explaining why “this issue” - slavery or abortion - is not just one among several, plausible issues, but the issue that must be more central than anything else. The word has now managed to get through, especially to Catholics, that Barack Obama has the most radical pro-abortion stance of any national Democrat. But even as our Democratic friends absorb that news, it is not enough to dislodge them from their vote for Obama. Even certain Catholics are quick to remind us here that there are many other issues. Why should they take this one as decisive?…