Justice Marc Nadon listens to opening remarks as he appears before a parliamentary committee following his nomination to the Supreme Court of Canada Wednesday October 2, 2013 on Parliament Hill in Ottawa. The Supreme Court of Canada is set to begin grappling with an extraordinary first in its 139-year history: adjudicating the rules for the appointment of one of its own.The eight sitting justices hear arguments Wednesday morning concerning the eligibility of Nadon, the latest appointment by Prime Minister Stephen Harper to the top court. THE CANADIAN PRESS/Adrian Wyld