Former biotech entrepreneur Vivek Ramaswamy and former New Jersey Gov. Chris Christie clashed over Ukraine and foreign policy at the NewsNation GOP Primary Debate. #GOPDebate #chrischristie #Ukraine Republican presidential hopefuls Chris Christie, Ron DeSantis, Nikki Haley, and Vivek Ramaswamy take the stage in Tuscaloosa, Alabama, for a pivotal debate on NewsNation, moderated by Elizabeth Vargas, Megyn Kelly, and Eliana Johnson. For analysis, highlights and to watch the full debate, visit https://www.newsnationnow.com/ NewsNation is your source for fact-based, unbiased news for all America. More from NewsNation: https://www.newsnationnow.com/ Get our app: https://trib.al/TBXgYpp Find us on cable: https://trib.al/YDOpGyG How to watch on TV or streaming: https://trib.al/Vu0Ikij