Why, according to Chief Justice McLachlin's ruling inWard v Canada (Attorney General),is s. 27 of theMarine Mammal Regulationsa permissible exercise of the Federal government's power to manage the fisheries under s. 91(12) of theConstitution Act, 1867, even though it affects the province of Newfoundland and Labrador's power to regulate property within its territory under s. 92(13) of theConstitution Act, 1867?Why, according to the Supreme Court of Canada's ruling inReference re Senate Reform, is it not permissible for Parliament or the provincial legislatures to unilaterally introduce a process of consultative elections to determine the appointment of Senator's, even though that process would not alter the wording of theConstitution Act, 1867?Why, according to the Supreme Court of Canada's ruling in theSenate Reference, would the abolition of the Senate require the unanimous consent of all 10 provinces, the House of Commons, and the Senate?