Republican presidential candidates Ron DeSantis and Nikki Haley are preparing to take questions from Iowa voters live here on CNN. We're setting the stage for our back-to-back town halls with Donald Trump's top GOP rivals. Chris Christie joins to discuss this hour. Also, newly released documents reveal that China and other foreign governments spent millions at various Trump-owned property while he was president. Plus, ISIS is now claiming responsibility for a pair of deadly explosions in Iran. Learn more about your ad choices. Visit podcastchoices.com/adchoices