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Dalton McGuinty's surprise resignation

CBC's Adrienne Arsenault reports on Dalton McGuinty's surprise decision to prorogue the Ontario legislature and step down as leader of the provincial Liberals after 16 years.
Ontario Premier Dalton McGuinty announces a surprise end to his tenure as Liberal leader and prorogues the legislature 3:15

CBC's Adrienne Arsenault reports on Dalton McGuinty's surprise decision to prorogue the Ontario legislature and step down as leader of the provincial Liberals after 16 years.