I have no idea, but from what I've learned about Mexican politics - they should
Significant jump for Madrazo in that last update. The district(s) that likes him must have come in. The gap has been closing pretty consistently all night. At this rate, they'll have less than 1% difference at somewhere around 73 percent. Hopefully, those district percentages will stay the same and there'll be a lot of left-over Calderon votes after all the Obrador votes are counted.