Who Justin Trudeau is moving around with his cabinet shuffle and why

Canadian Prime Minister Justin Trudeau (R), the President of the European Council Donald Tusk (L), European Commissioner for Trade Cecilia Malmström (L seated) and Canadian Minister of Environment and Climate Change Catherine McKenna participate in a signing ceremony during the Canada-EU Summit in Montreal on July 18, 2019. (Photo by Sebastien St-Jean / AFP) (Photo credit should read SEBASTIEN ST-JEAN/AFP via Getty Images)