The long awaited testimony from RCMP Commissioner Brenda Lucki has been heard at the Nova Scotia massacre inquiry. What she had to say about claims of political interference in the investigation, and how her officers responded to the tragedy, and the response from victims' families. Global News begins 'Code Blue,' a series of special reports about Canada's health-care crisis. The staffing crunch across the country, and how the costs of bringing in temporary workers have soared to a staggering level. Plus, Prime Minister Justin Trudeau and German Chancellor Olaf Scholz have signed a deal for Canada to supply Germany with hydrogen, to help reduce the reliance on Russian gas. How there are different ways to extract hydrogen, and the effects on the environment.