A century later, pardon for Jack Johnson overdue (AP)

It was a century ago, and a black man reigned supreme as the heavyweight champion of the world. White America didn’t particularly like that, and liked Jack Johnson even less. He had beaten Jim Jeffries in the Fight of the Century, throwing a downer on the Fourth of July celebration in 1910. Many who dared to cheer for him were beaten around the country, so when Johnson returned victorious to…