One of the most-discussed aspects of this week’s debate between President Barack Obama and Republican nominee Mitt Romney is that Romney has apparently shifted his position on contraception. Here is the relevant exchange: Obama: a major difference in this campaign is that Governor Romney feels comfortable having politicians in Washington decide the health care choices that women are making. I think that’s a mistake. In my health care bill, I said insurance companies need to provide contraceptive coverage to everybody who is insured, because this is not just a — a health issue; it’s an economic issue for women. It makes a difference. This is money out of that family’s pocket. Governor Romney not only opposed it; he suggested that, in fact, employers should be able to…