An exploding population of hard-to-eradicate “super pigs” in Canada is threatening to spill south of the border. Ryan Brook, a professor at the University of Saskatchewan, discusses the damage they could cause to farms in the United States. #superpigs #farms #Canada Start your day with "Morning in America," NewsNation's live three-hour national morning newscast hosted by Markie Martin. Weekdays starting at 6a/5C. #MorningInAmerica NewsNation is your source for fact-based, unbiased news for all Americans. 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