What does David Koch have to say about the prank call to Gov. Scott Walker?

"More than a thousand miles from the labor tumult in Wisconsin — where his name shows up on the signs of protesters and a liberal blogger impersonating him got through to the governor on the phone and said 'gotta crush that union!' — the real David H. Koch was greeted rather more warmly here Friday when he officially opened a new cancer research institute bearing his name."

The NYT has more here.