David Wasserman: “There’s scant evidence that Beto O’Rourke’s 254-county tour has moved the needle much in rural Texas, where Democrats hope would-be Cruz voters will simply stay home. But it’s a different story in Texas’s upscale suburbs: private polling on both sides now shows O’Rourke substantially outperforming Hillary Clinton’s percentages in multiple highly college-educated districts near Houston and Dallas.”

“That’s serious cause for concern for Houston GOP Rep. John Culberson (TX-07) and Dallas GOP Rep. Pete Sessions (TX-32), who sit in seats Clinton carried and are already in the Toss Up column. But it also should be a wake up call for several other Republicans who haven’t had a competitive race before but sit in upscale suburban seats President Trump carried with less than 52 percent of the vote.”