IF there's a strike this September - how old does your child have to be to stay home alone? Alberta doesn't have a specific legal age you can leave your child at home. Sarah talks with Mónica Ruiz-Casares, Professor in the School of Child & Youth Care at Toronto Metropolitan University and Adjunct Professor of Psychiatry and in the School of Social Work; and Associate Member of the Department of Equity, Ethics, and Policy and the Center for Research on Children and Families at McGill University.