What on earth is going on in Mississipi?

http://www.11alive.com/news/article/250110/40/Baptist-church-in-Miss-denies-wedding-to-black-couple

A church refusing a wedding ceremony to people, over their skin color?

I thought we had left that level of open bigotry behind us….

If this is true, it is sad. Please help me understand how this can happen in the US?