In an essay for the blog Lawfare he noted that the process could further divide the nation, but he also observed that “if the point of an impeachment effort is less to remove a particular individual from office than to establish or reinforce the proper expectations of officeholding, then the ultimate fate of the impeached officer is of less importance than the message sent by the impeachment.
“Impeachments can be, and have been, a vehicle for constructing, consolidating and reinforcing an important set of constitutional norms. They are a means for asserting that some behaviour is beyond the pale.”
via Even if it fails, impeaching Donald Trump will serve a noble purpose