The war on Betsy DeVos is all about the teachers unions

Get past all the noise, and the opposition to Betsy DeVos, President Trump’s pick for the Education Department, is all about the teachers unions — which consider it their right to have a friendly face running federal policy even in Republican administrations.

Yes, two Senate Republicans have come out against DeVos — the only two who routinely get A’s on the National Education Association’s “report card” because they vote the union line. Efforts to find another GOP vote against her will almost surely fail, because the other 50 Republicans aren’t...