Before joining Queen's, she served as a research co-ordinator for the Royal Commission on Electoral Reform and Party Financing (Lortie Commission). She is author of two books about the Canadian Charter of Rights and Freedoms. These are: Charter Conflicts: What is Parliament's Role? (McGill-Queen's University Press, 2002), and Limiting Rights: The Dilemma of Judicial Review (McGill-Queen's University Press, 1996). She is co-editor of Canada: The State of the Federation (1994), editor of Political Ethics: A Canadian Perspective (1991), and author of numerous papers and chapters on the politics of rights and on campaign finance laws in Canada.