Canadians are calling for immediate action as concerns around alleged meddling in Canadian elections grow. The NDP and Conservatives say a public inquiry is needed to restore faith in our democracy, but former top public servants say there are other methods worth considering. "The West Block" host Mercedes Stephenson sat down with former privy council clerk Michael Wernick and former Communications Security Establishment assistant deputy minister Artur Wilczynski to discuss what the government can do now to combat foreign interference.