Notice that he didn't equivocate or say there was "good on both sides."

The superintendent of the US air force academy in Colorado Springs addressed a direct message to those who left racist graffiti at the academy’s preparatory school earlier this week.

“If you can’t treat someone from another race or a different color skin with dignity and respect then you need to get out,” said Lt Gen Jay Silveria, before encouraging the assembled academy of more than 4,000 cadets and staff to take out their phones and record him saying it again.

“You keep these words, and you use them, and you remember them, and you share them, and you talk about them,” Silveria said.