The largest NATO exercise since the Cold War is underway in the North Atlantic. The most powerful military alliance on the planet is putting on a show of strength — hoping that the Kremlin is taking note.

As Congress struggles to agree a new package of American support for Ukraine, can the rest of the alliance share the burden?

In this week's edition of Power Play, host Anne McElvoy speaks to the U.K.'s Ambassador to NATO, David Quarrey, about the alliance's readiness for a potential conflict with Russia, military support for Ukraine from its members and whether talk of a separate European defense capability will become reality.

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