OTTAWA — The federal government estimates there are nearly 2,500 businesses or people in Canada working surreptitiously on behalf of foreign states to influence local politics and governments who will need to register publicly. That’s according to proposed regulations for Canada’s long-awaited foreign agent registry published on Saturday.   But despite suggestions by Ottawa that the tool would be up and running by last year, the Liberals have yet to appoint a Foreign Influence Transparency Commissioner to oversee the registry.   The proposed regulations flesh out the information...