It's time for the weekly CBC Ottawa news quiz

Canada is facing the kind of political warfare most citizens were never taught to recognize. It doesn’t look like tanks at the border. It doesn’t arrive with a formal declaration. It appears as viral videos, anonymous websites, influencer commentary, algorithmic outrage, fake local voices, leaked voter data, and foreign actors amplifying domestic grievances until citizens can no longer tell where their own debate ends and someone else’s operation begins. Another term for this is cognitive sovereignty, or the ability of citizens to make political decisions freely, without foreign...