Wow. Our experiment is off to a great start—let's see if we can finish it off sooner than expected.
Is public opinion against abortion hardening, as a couple of recent polls indicate? Not likely. Over at the Monkey Cage, John Sides helpfully presents three decades of data from the National Election Studies which shows (a) remarkable steadiness and (b) if anything, a modest increase in the strong pro-choice position. John slices and dices the data further at his place, if you're interested in the details.