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The White House is being questioned on President Biden's remarks about the possibility of Armageddon.
Biden made that remark on Thursday when talking about Russian President Vladimir Putin possibly using nuclear weapons in Ukraine.
Aboard Air Force One, Press Secretary Karine Jean-Pierre said America's "nuclear posture" hasn't changed.
She added there are no indications that Russia will use such weapons.
In his remarks, Biden said "we have not faced the prospect of Armageddon since Kennedy and the Cuban Missile Crisis."