Finland and Sweden are applying for NATO membership, ending decades-long policies of military neutrality. We take a look at what this means for global security. Plus, why some NATO leaders are worried about Vladimir Putin being humiliated in Ukraine.

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Finland and Sweden’s leaders announced in recent days that they would be seeking membership in NATO, the military alliance among the United States, Canada and many European countries. Sweden and Finland historically have remained neutral to avoid conflict — but the war in Ukraine and their geographical proximity to Russia pushed them to reassess. National security reporter Shane Harris discusses how this move changes the security landscape and the possible consequences if Russia loses the war.