“Not even a blip on the radar” is how NewsNation’s Elina Shirazi describes former President Donald Trump’s non-response to Robert F. Kennedy Jr.’ debate challenge. Trump spoke Saturday to the Libertarian Party convention and endured a few boos as he asked Libertarians for their votes. #donald trump #robert f. kennedy jr. #libertarian convention Get a fast-paced look at the latest from the border to Main Street to the White House on "NewsNation Live with Anna Kooiman." Weekends starting at 10a/9C Saturdays and 11a/10C Sundays. #NewsNationLive NewsNation is your source for fact-based, unbiased news for all America. More from NewsNation: newsnationnow.com Get our app: trib.al/TBXgYpp Find us on cable: trib.al/YDOpGyG How to watch on TV or streaming: trib.al/Vu0Ikij