By Kyle Duggan Conservative Leader Pierre Poilievre is promising to tighten financial transparency rules for elected officials — and is using that promise to take aim at Liberal Leader Mark Carney. Poilievre told a press conference in Ottawa on Sunday that if his party forms government, he’ll ban what he calls “shadow lobbying.” “We will eliminate the lobbying loophole and require anyone who is acting as an adviser to government officials to declare themselves and register as a lobbyist, whenever they are advising on matters that touch upon their financial interests or that of their company,” Poilievre said. He said this rule would have forced Carney to register as a lobbyist when he advised former prime minister Justin Trudeau through the Liberal party. The Conservative leader also said he would…