Open this photo in gallery: An empty parking lot in the Niagara Falls tourism destination. China has taken Canada off its approved list for tour operators, delivering a blow to related industries.Glenn Lowson/The Globe and Mail Todd Hirsch is a Calgary-based economist, author and public speaker, He is also the director of the Energy Transition Centre and the former chief economist of ATB Financial. Remember the 1990s? It was an innocent time when globalization was lifting all boats. Massive, multilateral trading agreements were all the rage. And any trade disputes were modest irritations that could be smoothed over with a...