Greatest Threat To Future Of NATO May Be The U.S. Under Trump-Led Republicans

With Russia's invasion of Ukraine galvanizing NATO unity and Vladimir Putin's belligerence likely making membership grow to include Sweden and Finland, Aaron Blake, senior political reporter for the Washington Post, talks with Rachel Maddow about one political faction in a powerful NATO country that could undermine that new strength: The U.S. Republican Party led by Putin-favoring Donald Trump.