Harry Enten ponders the drop in self-identified pro-choicers. He thinks individuals personally opposed to abortion who nevertheless think it should be legal distort "pro-choice" and "pro-life" numbers:
There are far more proper ways to understand the public's position on abortion rights. Right now, Roe v Wade is the law of the land. That's the underpinning of abortion rights in this country. If Americans were really turning against abortion rights, then they should be turning against Roe v Wade. That's just isn't happening. Nate Silver investigated the issue back in 2009 and actually found a small trend toward growing support for the Roe v Wade decision over the previous decade. A 2012 Quinnipiac poll affirms that there hasn't been any dramatic reversal in the past three years: 64% Americans agree with the Roe v Wade decision, while only 31% disagree