Alberta to vote on whether to stay a part of Canada

The Canadian province of Alberta, a major supplier of oil and natural gas to the U.S., will vote next month on a possible referendum that could break up the country. Ian Lee reports from Raymond, Alberta.

The Canadian province of Alberta, a major supplier of oil and natural gas to the U.S., will vote next month on a possible referendum that could break up the country. Ian Lee reports from Raymond, Alberta.