I think whatever point he was trying to make was lost in the vapid randomness. It wasn't exactly an insightful comment on the fact that Clinton herself can be a polarizing figure; but rather a strange take that Hillary Clinton would be blamed for Bill sticking it to that Lewinsky Ho.
I would imagine Bible-thumpers could make a difference in a swing state; I don't see why Bible-thumpers would dislike Clinton for staying by her oft-straying husband and not getting divorced. I'm not sure how Bible-thumpers in already decidedly Red states have an impact.
I don't see the "religious vote" as being the key to the White House for the Democrats in any event.
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It will be interesting to see which key Clinton advisers Obama brings over (don't know if anyone posted the WSJ article) regardless of if he chooses her as VP and whether there'll be any tension as a result of that (as implied in the article) if original Obama loyalists may end up playing second string to some of Clinton's more prominent backers.