It is going to take debilitating force and some injuries to stop this juggernaut.
If the invaders know that no force will be used against them they will push through US border enforcement just like they did to the Mexicans.
If the front ranks are met with decisive force and prevented from crossing the border those that follow will eventually get the message.
Maybe the US military should cross the Rio Grande under the UN banner and meet this arrogant horde on the Mexican side.
Maybe the US military should cross the Rio Grande under the UN banner and meet this arrogant horde on the Mexican side.
Maybe a large civilian patriot group should do exactly that...without weapons...