Saying the immigration issue is why House Majority Leader Eric Cantor lost to political unknown Dave Brat in Tuesday’s historic Republican primary is to mistake the effect for the cause.

Brat did talk a lot about the immigration issue during the final week before Tuesday’s voting, but he could hardly avoid it, thanks to the flood of Central American women and children pouring across the border into the U.S. in Texas, then being shipped by President Obama to Arizona and other places in the U.S.