In the closely followed Des Moines Register poll just released at 8pm, Romney is 24, Paul 22, Santorum 15, Newt Gingrich 12, Rick Perry 11, and Michele Bachmann 7. That’s the four-day result. If just the last two days are taken into account, Romney is still at 24, Santorum jumps to 21, and Paul is down to 18. That means–in the word of the hour–Santorum has momentum. If Bachmann and Perry fade more at the end–and this poll result could hurt them–Santorum is within striking distance of a stunning upset.