Despite a new deal allowing freer trade of alcohol between provinces signed yesterday at the Council of the Federation meeting in Charlottetown, many barriers to commerce across Canada still exist. Vassy Kapelos speaks with Ryan Manucha, Research Fellow at the C.D. Howe Institute and Author of Booze, Cigarettes, and Constitutional Dust-Ups: Canada's Quest for Interprovincial Free Trade, about why eliminating interprovincial trade barriers has proved such a challenge in Canada.

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