To tweak a famous saying of Upton Sinclair, it is difficult to get a man to understand something when his entire political career depends upon his not understanding it.

This is certainly the case with Sen. Chris Murphy (D-CT), who appeared today on Fox News Sunday. In the course of a wide-ranging interview, Murphy declared that Florida’s new law on parental rights in education — a law supported by a majority of Democratic primary voters, by the way — is an example of a “hateful, divisive turn that the Republican Party has taken.