The confirmation hearing is set to drudge up the past, as Democrats prepare to pepper Waltz on the scandal that led to his removal as national security adviser.
Sens. Lindsey Graham (R-SC) and Richard Blumenthal (D-CT) have introduced new sanctions on Russia in a bid to get the country to end its war with Ukraine.
Nunn previously expressed interest in launching a gubernatorial bid instead after Gov. Kim Reynolds (R-IA) announced she would not be seeking reelection.
Riding the three-car train, which shuttles between the U.S. Capitol and two Senate office buildings, has become a gamble for senators, staffers, and reporters.
Trump's bombing of Iran and increased aggression toward Russia likely wasn't the "America First" foreign policy agenda many Republicans were expecting.