Canada has appointed a veteran Mi'kmaw fisheries manager to the international agency that sets quotas for commercial species of tuna and swordfish in the Atlantic.Hubert Nicholas of Membertou First Nation was named as one of two commissioners representing Canadian interests at the International Commission for the Conservation of Atlantic Tunas (ICCAT) over the weekend.He joins another recent appointee, environmentalist Katie Schleit of the non-profit conservation group Oceans North. Commissioner