What do these headlines say about how the Supreme Court has addressed the principle of equality on which the United States was founded?

They reveal that the Court has sometimes failed to enforce equality and later changed its mind.
Brown v. Board of education (1954), now mentioned as one of the best-preferred court selections of the twentieth century, unanimously held that the racial segregation of children in public schools violated the equal protection clause of the Fourteenth amendment.
The supreme courtroom unanimously overruled the reasoning of Plessy and held that separate faculties for blacks and whites violated the same safety clause. Brown was a decisive turning point in a decades-lengthy struggle to dismantle governmentally imposed segregation, no longer best in schools but all through American society.
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