10.09.2022 - By ABC News
How would the U.S. respond if Russia uses nuclear weapons? ABC's Martha Raddatz goes one-on-one with White House National Security Council spokesman John Kirby and former chairman of the Joint Chiefs of Staff Admiral Mike Mullen to discuss Vladimir Putin’s latest threats and the war in Ukraine. And with four weeks to the midterms, the Powerhouse Roundtable discusses the latest allegations against Georgia Senate candidate Herschel Walker, increasing oil prices, and President Biden’s marijuana pardon.
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