Nelson Wiseman, a political science professor at the University of Toronto, said Ford's refusal to address questions implies guilt.

NPR: Toronto Mayor Won Post On Conservative Discontent

As political scientist Nelson Wiseman explains, public support in Canada began to drop.

NPR: Afghan Leader Wants Canada's Troops to Stay

Professor NELSON WISEMAN (University of Toronto): Public support has gone down in Canada for the same reason that public support in the United States has gone down for the war in Iraq.

NPR: Afghan Leader Wants Canada's Troops to Stay