PPE SUPPLY PLANES RETURN FROM CHINA EMPTY

   Two airplanes that returned to Canada from China minus a cargo of badly needed medical supplies were not the first jets to come back empty from the Asian country since the start of the Covid-19 crisis — and they are unlikely to be the last.
   Like for so many countries, including the United States, China has become a core source of PPE for Canada.
   The senior insider said Canada is getting about 70 percent of its imports of Covid-19 medical supplies from China, with much of the rest coming from the U.S., the United Kingdom and Switzerland.