It's not clear who knew about an embarrassing double-date for Canada's HMCS Margaret BrookeCanadian navy patrol boat HMCS Margaret Brooke passes by Russian nuclear-powered cruise missile submarine Kazan and frigate Admiral Gorshkov as it enters Havana's bay in Cuba on June 14, 2024. (Alexandre Meneghini/Reuters)The Royal Canadian Navy now finds itself in the unusual position of both shadowing Russian warships as a threat in the Caribbean and sharing an anchorage with them as a guest in the port of Havana — because Canada accepted an invitation to send a patrol ship to Cuba while the Russian navy is in town....