When President Trump said Monday at a campaign rally in El Paso that, “We’ve actually started a big, big portion of the wall today at a very important location, and it’s going to go up pretty quickly over the next nine months,” I assumed it was nonsense he was spreading in hopes that his supporters might not mob him on stage for so far failing to keep the central promise of his campaign.

He similarly said Tuesday at the White House, “We just started a big, big section [of wall] on the Rio Grande.”