A demonstrator outside the US Supreme Court during oral arguments on April 23, 2019.

In the census-citizenship case, the Supreme Court may once again affirm 'white rule'

Updated 4:52 PM ET, Sun June 23, 2019

(CNN)On June 7, 1892, a dapper shoemaker purchased a first-class ticket on a Louisiana train for a short journey he knew he wouldn't finish.

The 30-year-old man of mixed-race heritage sat in the whites-only section of the