They tried this same stunt with Rick Perry.
“people of all races have always been welcomed and baptized into the church since its beginning”
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The were just not allowed into the Mormon Heaven (Celestial Kingdom), or their temples, or to pray in public, etc.
And Joseph Smith had a slave sealed to him to be his servant in the CK and Young took slaves as tithing in early Utah (Deseret).
Just more lying for the Lord from LDS inc.