An important race discrimination case, Peterson v. Linear Controls, No. 18-1401, is sleeping on the U.S. Supreme Court’s cert docket. The high court should take the case and strike a blow for workplace equality, correcting a longstanding injustice permeating the lower courts.

For decades, Title VII of the 1964 Civil Rights Act has prohibited employers from discriminating against their employees on the basis of race, color, religion, sex or national origin.