"Even if you don't work directly with her, cooperating with her is working with her." Harry told him, trying to keep the annoyance from his tone though he doubt he succeeded fully. He did however ignore Percy's comment about the Order.
"Sharing of information would be one thing." Harry told him, "For example I'm sure you've heard of the radio broadcast that she's so fired up about. I know whose doing it."
He had spoken to Lee about it, and about working with the Aurors to help prevent him from being caught along with possibly a co-host. Harry thought there was a fair chance Percy might like in on that if he didn't want Umbridge in office.