"How can I say something that seems a little racist but if anybody points it out I have a good excuse so the person accusing me seems like a crazy person looking for any opportunity to accuse an innocent white man of racism? Oh I know...I'll make my entrance to a Black Eyed Peas song and then make a special point about how I don't like them."
This is what a lot of racism looks like. Snide little comments that you can't prove.
Kasish is a master race baiter. Right after coming into office he just about started a race war in the state.
Probably a dog whistle. As is the case with these things, we can never really prove it, that's why it is called a dog whistle.