Dr. Ian Smith joins "NewsNation Live weekend" to discuss the Environment Protection Agency's decision to ban TCE and PCE, highly toxic chemicals known to cause cancer. The chemicals have been used in households and industries for decades. #EPA #Chemicals #Cancer Get a fast-paced look at the latest from the border to Main Street to the White House on "NewsNation Live." 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