"I think that any time you're talking about willful violation of the constitution for political purposes, as I believe the governor is doing, I think it's a fair game to take a look at it," the Elmira Republican just told reporters. "I think the Assembly should take a look at it. This type of behavior, I think, is intolerable."
Under the State Constitution, articles of impeachment must be approved by a simple majority vote of the Assembly. (The Assembly is firmly controlled by Democrats.) The offense is tried before a combined body of the State Senate and Court of Appeals (that's 71 people in all), and conviction requires a two-thirds majority.