Donald Trump actually said...

If they dig in and resist an interview, a sit-down, this will extend much beyond the midterm elections into potentially next year.

No collusion, no collusion, no collusion. I've done nothing wrong. Our administration has fully cooperative with the Mueller investigation.

The President has said repeatedly he would like to sit down with the special counsel.

He wants to get this over with, in their view, before midterm elections this fall.