NATO warns Russia could be staging a pretext for an attack on Ukraine. Kamila Valieva falters at the Olympics amid her drugs controversy. Federal Reserve Bank of St. Louis President/CEO Jim Bullard joins us to give us his take on the Federal Reserve's impending moves.\nTo learn more about how CNN protects listener privacy, visit cnn.com/privacy\nLearn more about your ad choices. Visit megaphone.fm/adchoices