Elizabeth Warren's Lie

Elizabeth Warren is branching out.

The Massachusetts senator, who has made a career of unfairly maligning bankers and other alleged capitalist malefactors, is now smearing the criminal justice system, too.

In a speech at a historically black college in New Orleans, she declared that "the hard truth about our criminal justice system: It's racist ... I mean front to back."

Her riff is a sign that the Democrats are going to leaven their lurch toward socialism with a condemnation of America as fundamentally racist.

The U.S. criminal justice system is obviously a legitimate topic of debate. But the...