Well, if they are never-Trumpers I guess they'll get to explain themselves to the military–11/11/18.
Maybe the parade serves to keep DC calm and quiet after the mid-term elections.
Think the Dems got a bad feeling down deep in the pit of their gut? You know, that growing dread when every fiber of your being is telling you that you're holding on to a really bad idea and an even worse choice… Let's go ask 'em.