The leaders of Minnesota's Republican and Democratic parties tangled on Twitter Wednesday and Thursday over religion and racism. It began with a tweet from DFL Party chair Ken Martin:

To which Republican Party Secretary Chris Fields responded:

And then Fields and Martin got into it:

(Last week Fields had said that he did not find offense in an Facebook image that used the slave trade to make a point.)

After an evening of back and forth, Martin and Fields let it drop.

But Republican Party chair Keith Downey picked up the fight on Thursday morning:

To be continued?