On this episode of Global National: Brothers Marc and Craig Kielburger, who founded WE Charity, spent four hours testifying before the Canadian House of Commons finance committee. The pair defended the organization's role in the federal government's now-cancelled contract to run a student grants program. Abigail Bimman looks at the heated four-hour testimony, and what questions remain unanswered.

Also, the federal government is now proceeding with a public inquiry into the Nova Scotia massacre that left 22 innocent people dead in April – one of the country's deadliest mass shootings. Elizabeth McSheffrey looks at why Ottawa is changing paths now, and what the inquiry has the power to do.

In coronavirus news, the tourist hub of Banff, Alta., is now the first Canadian municipality mandating people to wear face masks in certain outdoor spaces. Heather Yourex-West explains the new rules, and how people are reacting.

Plus, after six months at sea, members of the Canadian Armed Forces (CAF) have returned from a NATO-led mission in the Mediterranean that turned tragic when six crew members died in a helicopter crash. As Ross Lord reports, the homecoming of HMCS Fredericton was bittersweet.

Two years after the world watched a grieving whale carry her dead calf for 17 days and more than 1,600 kilometres, Tahlequah (also known as J35) the orca is pregnant again. As Jennifer Palma reports, Tahlequah is not the only southern resident whale expecting, which has conservationists feeling cautiously optimistic.

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