this is the October surprise
From where the invaders just busted into Mexico I make it as approximately 1140 miles to even just the southern tip of Texas. The invaders seem to be walking - at least in all the pictures we've been allowed to see so far. Even at a *very* aggressive 20 miles per day that's 55+ days or mid December before they hit the border. 20 miles a day walking is probably very optimistic. They have to set up and break camp each day, carry what few possessions they are bringing with (other than an appetite for democratic handouts), forage for food and water, etc. More likely on foot over long distances like this they are not even making 10 miles per day.
Maybe they are getting motorized transport we're not seeing? Even just a couple dozen buses could run in relays and move them 40 or 50 miles in a day.
Or maybe the plan is to force a crisis before they reach the border. "Oh look, thousands of stranded refugees, we *must* help them!..."
If President Trump deploys the military to repel this invasion - as he not only should but must... Then he will cement a mid-term sweep for Republicans and his second term. Besides, it would be worth the cost of the deployment just to see liberals' heads come off, spin around, then explode.