Ohio train derailment: A chemical expert breaks down what could be behind the colorful sheen in an East Palestine creek and weighs in on other possible contaminants to the area.  #EastPalestine  NewsNation is your source for fact-based, unbiased news for all America. Find us online: newsnationnow.com Get our app: bit.ly/3AbFrG3 Watch us on TV or via streaming: bit.ly/3oxRmf5